1. Original Articles

  
44. Spitzer D, Zech NH. Reply of the Authors. [to: Dopamine agonist bromocriptine for the prevention of ovarian hyperstimulation Syndrome].
Fertil Steril. 2011 Apr 28. http://www.ncbi.nlm.nih.gov/pubmed/21530961

43. Zech NH, Murtinger M, Uher P. Pregnancy after ovarian superovulation by transdermal delivery offollicle-stimulating hormone. Fertil Steril. 2011 Apr 15.
Fertil Steril. 2011 Apr 15 abstract
Fertil Steril. 2011 Apr 15 - Artikel in Englisch

42. Babuška V, Kulda V, Houdek Z, Pešta M, Cendelín J, Zech N, Pacherník J, Vožeh F, Uher P, Králíčková M. Characterization of P19 Cells during Retinoic Acid Induced Differentiation. Prague Med Rep 2010; 111(4): 289-99
U.S. National Library of Medicine - Original Article in Englisch
Prague Medical Report Journal - Original Article in English

41. Zech NH, Preisegger KH, Hollands P. Stem cell therapeutics-reality versus hype and hope. J Assist Reprod Genet 2010 Dec 8. [Epub ahead of print]
U.S. National Library of Medicine - Original Article in Englisch
Springer Link - Original Article in English

40. Wirleitner B, Vanderzwalmen P, Stecher A, Zech MH, Zintz M, Zech NH. Individual demands of human embryos on IVF culture medium: influence on blastocyst development and pregnancy outcome.
Reproductive BioMedicine Online - Original Article in English

39. Vanderzwalmen P, Zech N, Lejeune B, Wirtleitner B, Zech M, Ectors F.
Elsevier - Gynécologie Obstétrique & Fertilité - Original Article in French
U.S. National Library of Medicine - Original Article in English

38. Vanderzwalmen P, Zech N, Prapas Y, Panagiotidis Y, Papatheodorou A, Lejeune B,Jareño D, Vanderzwalmen S, Ectors F. Closed carrier device: a reality to vitrify oocytes and embryos in asepticconditions. Gynecol Obstet Fertil. 2010 Sep;38(9):541-6.
U.S. National Library of Medicine - Original Article in English
Elsevier - Gynécologie Obstétrique & Fertilité - Original Article in French

37. Semenov OV, Koestenbauer S, Riegel M, Zech N, Zimmermann R, Zisch AH, Malek A. Multipotent mesenchymal stem cells from human placenta: critical parameters for isolation and maintenance of stemness after isolation. Am J Obstet Gynecol 2010, 202(2):193.e1-193.e13
U.S. National Library of Medicine - Original Article in English
American Journal of Obstetrics Gynecology - Original Article in English

36. Murtinger M*, Aburumieh A*, Rubner P, Eichel V, Zech MH, Zech NH. Improved monitoring of ovarian stimulation using 3D transvaginal ultrasound plus automated volume count. (*contributed equally). Reprod Biomed Online 2009, 19(5):695-9
U.S. National Library of Medicine - Original Article in English
Reproductive BioMedicine Online - Original Article in English
Reproductive BioMedicine Online - Original Article PDF

35. Vanderzwalmen P, Ectors F, Grobet L, Prapas Y, Panagiotidis Y, Vanderzwalmen S, Stecher S, Frias P, Liebermann J, Zech NH. Aseptic vitrification of blastocysts from infertile patients, egg donors and after IVM. Reprod Biomed Online 2009, 19(5):700-7
U.S. National Library of Medicine - Original Article in English
Reproductive BioMedicine Online - Original Article in English
Reproductive BioMedicine Online - Original Article PDF

34. Uher P, Baborova P, Kralickova M, Zech MH, Verlinsky Y, Zech NH. Non-informative results and monosomies in PGD: the importance of a third round of re-hybridization.
Reprod Biomed Online 2009, 19(4):539-46
U.S. National Library of Medicine - Original Article in English
Reproductive BioMedicine Online - Original Article in English
Reproductive BioMedicine Online - Original Article PDF

33. Novotný Z, Křižan J, Šíma R, Šíma P, Uher P, Zech N, Hűttelová R, Baborová P, Ulčová-Gallová Z, Šubrt I, Ulmanová E, Houdek Z, Rokyta Z, Králíčková M. Leukemia inhibitory factor (lif) gene mutations in women diagnosed with unexplained infertility and endometriosis have negative impact on the IVF outcome. A pilot study. Folia Biol (Praha). 2009, 55(3): 92-7
U.S. National Library of Medicine - Original Article in English
Czech Uni - Original Article in English

32. Ebner T, Vanderzwalmen P, Shebl O, Urdl W, Moser M, Zech NH, Tews G. Morphology of vitrified/warmed day 5 embryos predicts rates of implantation, pregnancy and live birth.
Reprod Biomed Online 2009, 19: 72-78
U.S. National Library of Medicine - Original Article in English
Reproductive BioMedicine Online - Original Article in English

31. Zech NH, Shkumatov A, Verlinsky Y. Oocyte-like structures arising from cells of follicular fluid are not captured in aspirates. Reprod Biomed Online 2009, 18: 443-448
U.S. National Library of Medicine - Original Article in English
Reproductive BioMedicine Online - Original Article in English

30. Verlinsky Y*, Zech NH*, Strelchenko N, Kukharenko V, Shkumatov A, Zlatopolsky Z, Kuliev A. Correlation between PGD for chromosomal aneuploidies and the efficiency of establishing human embryonic stem cell lines. (*contributed equally) Stem Cell Research 2009, 2: 78–82. ISSN: 1873-5061
U.S. National Library of Medicine - Original Article in English
Sciencedirect - Original Article in English

29. Verlinsky Y*, Strelchenko N*, Kukharenko V*, Zech NH*, Shkumatov A*, Zlatopolsky Z, Kuliev A. Impact of meiotic and mitotic non-disjunction on generation of human embryonic stem cell lines. (*contributed equally) Reprod Biomed Online 2009, 18: 120-126
U.S. National Library of Medicine - Original Article in English
Reproductive BioMedicine Online

28. Vanderzwalmen P*, Hiemer A*, Rubner P, Bach M, Neyer A, Stecher A, Uher P, Zintz M, Lejeune B, Vanderzwalmen S, Cassuto G, Zech NH. Blastocyst development after intracytoplasmic morphologically selected sperm injection (IMSI) is directly correlated with the morphological integrity of human sperm nuclei. (*contributed equally) Reprod Biomed Online 2008, 17: 617-627
U.S. National Library of Medicine - Original Article in English
Reproductive BioMedicine Online

27. Uher P, Baborová P, Hűttelová R, Králíčková M, Vanderzwalmen P, Zech N. Methodological aspects of attempts to trans-differentiate adult stem cells into embryonic like cells in vitro. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. 2008, 152(2): 1–3. ISSN: 1213-8118
U.S. National Library of Medicine - Original Article in English
Biomed Pap Med Fac Univ Palacky Olomouc - Original Article in English

26. Thoni A, Zech N, Ploner F. Water Contamination and the Rate of Infections for Water Births. The Open Women’ Health Journal, 2008, 2, 5-10. ISSN: 1874-2912
Bentham Open - Original Article in English

25. ZechNH*, RubnerP*, WisserJ, ThoeniA, VanderzwalmenP, Zech H. Cardiac malformation rate: a link to embryo-culture in medium containing serum? (*contributed equally) The Open Reproductive Science Journal 2008, 1, 22-27. ISSN: 1874-2556
Bentham Open - Original Article in English

24. Virant-Klun I*, Zech N*, Rožman P, Vogler A, Cvjetičanin B, Klemenc P, Maličev E, Meden-Vrtovec H. Putative stem cells with an embryonic character isolated from the ovarian surface epithelium of women with no naturally present follicles and oocytes. (*contributed equally) Differentiation 2008, 76: 843–856
U.S. National Library of Medicine - Original Article in English
Siencedirect - Original Article in English

23. Korosec S, Virant-Klun I, Tomazevic T, Zech N, Meden-Vrtovec H. Single fresh and frozen-thawed blastocyst transfer in human in vitro fertilization using hyaluronan rich medium: positive effect of hyaluronan in selected group of patients. Reprod Biomed Online 2007; 15(6): 701-7
U.S. National Library of Medicine - Original Article in English
Reproductive BioMedicine Online - Original Article in English

22. Uher P, Huttelová R, Králícková M, Novotný Z, Z. Rokyta Z, Vanderzwalmen P, Zech N. [Methodological Aspects on Attempts to Trans-differentiate Adult Stem Cells into Embryonic like Cells in vitro]. Ceska Gynekol 2007; 72(5): 368. Czech. ISSN: 1210-7832
U.S. National Library of Medicine - Original Article in English
Biomed Pap Med Fac Univ Palacky Olomouc - Original Article in English

21. Thoeni A, Zech N, Ploner F. [Giving birth in the water: experience after 1,825 water deliveries. Retrospective descriptive comparison of water birth and traditional delivery methods]. Gynakol Geburtshilfliche Rundsch 2007; 47(2): 76-80. German ISSN: 1018-8843
U.S. National Library of Medicine - Original Article in English
Gynokologisch-geburtshilfliche Rundschau - Original Artikel in Deutsch

20. Thoni A, Zech N, Moroder L, Ploner F. Die Kontamination des Wassers und die Infektionsrate bei der Wassergeburt. Gynakol Geburtshilfliche Rundsch. 2007; 47(1): 33-8. ISSN: 1018-8843
Gynokologisch-geburtshilfliche Rundschau - Original Artikel in Deutsch
Gynokologisch-geburtshilfliche Rundschau - Original Artikel in Deutsch

19. Zech NH, Lejeune B, Stecher A, Puissant F, Vanderzwalmen S, Zech H, Vanderzwalmen P. A prospective evaluation on the optimal time for selecting a single embryo for transfer: day 3 versus day 5. Fertil Steril 2007; 88(1): 244-6
U.S. National Library of Medicine - Original Article in English
American Society Reproductive Medicine - Original Article in English

18. Koestenbauer S, Vanderzwalmen P, Hammer A, Schoonjans L, Danloy S, Zech H, Dohr G, Zech NH. Apoptosis affects integration frequency: Adult stem cells injected in blastocysts show high caspase-3 activity. Cell Biol Int 2007; 31(5): 489-93
U.S. National Library of Medicine - Original Article in English
Siencedirect - Original Article in English

17. Beer GM, Baumüller S, Zech N, Wyss P, Strasser D, Varga Z, Seifert B, Hafner J, Mihic-Probst D. Immunohistochemical differentiation and localization analysis of sweat glands in the adult human axilla. Plast Reconstr Surg 2006; 117(6): 2043-9
U.S. National Library of Medicine - Original Article in English
Journal of the American Society of Plastic Surgery - Original Article in English

16. Zech NH, Lejeune B, Zech H, Vanderzwalmen P. Vitrification of hatching and hatched human blastocysts: effect of an opening in the zona pellucida before vitrification. Reprod Biomed Online 2005;11(3): 355-61
U.S. National Library of Medicine - Original Article in English
Reproductive BioMedicine Online - Original Article in English

15. Thoeni A, Zech N, Moroder L, Ploner F. Review of 1600 water births. Does water birth increase the risk of neonatal infection? J Matern Fetal Neonatal Med 2005; 17(5): 357-61
U.S. National Library of Medicine - Original Article in English
Informa Healthcare - Original Article in English

14. Zech NH, Koestenbauer S, Vanderzwalmen P, Schoonjans L, Danloy S, Zech H, Blaschitz A, Dohr G. Paraffin-embedded manipulated blastocysts: a tool to demonstrate stem cell plasticity? Reprod Biomed Online 2005; 10(3): 406-14
American Journal of Obstetrics Gynecology - Original Article in English
Reproductive BioMedicine Online - Original Article in English

13. Schwaerzler P, Zech H, Auer M, Pfau K, Gobel G, Vanderzwalmen P, Zech N. Pregnancy outcome after blastocyst transfer as compared to early cleavage stage embryo transfer. Hum Reprod 2004; 19(9): 2097-102
American Journal of Obstetrics Gynecology - Original Article in English
Oxford Journals - Human Reproduction - Original Article in English
Reply: Oxford Journals - Human Reproduction - Original Article in English

12. Zech NH, Gunsilius E, Clausen J, Hoflehner E, Hoelzler K, Gastl G, Petzer AL. Expansion of mobilized peripheral blood progenitor cells under defined culture conditions using CD34+CD71-CD45- cells as a starting population. J Hematother Stem Cell Res 2003; 12(4): 367-73. (Now: Stem Cells and Development)
American Journal of Obstetrics Gynecology - Original Article in English
Mary Ann Liebert, Inc. Publishers - Original Article in English

11. Vanderzwalmen P, Bertin G, Debauche Ch, Standaert V, Bollen N, van Roosendaal E, Vandervorst M, Schoysman R, Zech N. Vitrification of human blastocysts with the Hemi-Straw carrier: application of assisted hatching after thawing. Hum Reprod 2003; 18(7):1504-11
American Journal of Obstetrics Gynecology - Original Article in English
Oxford Journals - Human Reproduction - Original Article in English

10. Zech N, Stecher A, Vanderzwalmen P, Zech H. Vitrifikation von der Eizelle bis zur Blastozyste. J Fertil Reprod 2002; 12 (4): 13-8
Journal für Fertilität und Reproduktion - Original Artikel in Deutsch

9. Zech I, Vanderzwalmen P, Zech N. Entwicklung von Embryonen nach intrazytoplasmatischer Spermieninjektion (ICSI) bei "non-male factor" Infertilität in Relation zur Injektionstechnik. J Fertil Reprod 2002; 12(3): 13-8
Journal für Fertilität und Reproduktion - Original Artikel in Deutsch

8. Zech H, Pfau K, Schwärzler P, Vanderzwalmen P, Zech N. Blastozystenkultur - praktisches Vorgehen - Untersuchungen zum "Fetal Outcome". J Fertil Reprod 2002; 12(2): 7-10
Journal für Fertilität und Reproduktion - Original Artikel in Deutsch

7. Petzer AL, Gunsilius E, Zech N, Clausen J, Hoflehner E, Nussbaumer W, Gastl G. Evaluation of optimal survival of primitive progenitor cells (LTC-IC) from PBPC apheresis products after overnight storage. Bone Marrow Transplant 2000; 25 (2): 197-200
American Journal of Obstetrics Gynecology - Original Article in English
IOWA Carver College of Medicine - Original Article in English

6. Zech H, Stecher A, Zech N. Qualitätssicherungsmaßnahmen im andrologischen Labor. J Fertil Reprod 1999; 9(4): 13-5
Journal für Fertilität und Reproduktion - Original Artikel in Deutsch

5. Zech H, Stecher A, Vanderzwalmen P, Zech N. Neue Techniken in der Reproduktionsmedizin: Effekt des Transfers von Metaphase II-Zytoplasma in Germinal-Vesikel-Oozyten. J Fertil Reprod 1999; 9(3): 12-5
Journal für Fertilität und Reproduktion - Original Artikel in Deutsch

4. Vanderzwalmen P, Riedler I, Stecher A, Zech H, Zech N. Vitrifikation von humanen Embryonen in einem fortgeschrittenen Entwicklungsstadium. J Fertil Reprod 1998; 8(2): 20-6
Journal für Fertilität und Reproduktion - Original Artikel in Deutsch

3. Stecher A, Vanderzwalmen P, Riedler I, Zech N, Zech H. Vitrification of the Human Embryo at Advanced Stage of Development. Official Journal of Russian Association of Human Reproduction 1998, 1: 22-5.

2. Zech N, Zech H. Intracytoplasmatic Sperm Injection (ICSI) (concise practical guide). Official Journal of Russian Association of Human Reproduction 1997, 4: 46-53.

1. Vanderzwalmen P, Zech H, Zech N, Nijs M, Bertin G, Lejeune, Schoysman R. Fertilization and Pregnancy Rates after ICSI using Ejaculated Epididymal and Testicular Spermatozoa. Official Journal of Russian Association of Human Reproduction 1995, 2: 52-60
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2. Case Studies

  
2. Zech NH, Wisser J, Natalucci G, Riegel M, Baumer A, Schinzel A. Monochorionic-diamniotic twins discordant in gender from a naturally conceived pregnancy through postzygotic sex chromosome loss in a 47,XXY zygote. Prenat Diagn 2008; 28(8): 759-763
U.S. National Library of Medicine - Original Article in English
Universtity of Zurich - Original Article in English
Wiley - Online Library - Original Article in English

1. Zech NH, Netzbandt P, Zech H. Development of severe ovarian hyperstimulation syndrome after inadvertent stimulation with a gonadotropin-releasing hormone agonist and human menopausal gonadotropin in a preexisting early pregnancy.
American Journal of Obstetrics Gynecology - Original Article in English
American Society Reproductive Medicine - Original Article in English
American Society Reproductive Medicine - Original Article in English


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3. Review Articles

  
22. Zech N. Die Reproduktionsmedizin von Heute. Bioskop 2010, 1:020-022.

21. Zech NH, Broer N, Ribitsch I, Zech MH, Broer KH, Ertan K, Preisegger KH. The rational behind collecting umbilical cord blood. J Turkish German Gynecol Assoc 2010, 11(2):99-101.
Turkish - German Gynecological Association - Original Article in Turkish

20. Schneeberger S, Zech NH, Sucher R, Brandacher G. Zell- und Gewebstransplantation. Allgemein- und Viszeralchirurgie up2date 2009; 6: 379-391
Thieme Fachzeitschriften - Original Artikel in Deutsch

19. Koestenbauer S, Zisch A, Dohr G, Zech NH. Mini-review: Protocols for hematopoietic stem cell expansion from umbilical cord blood. Cell Transplant 2009; 18(10):1059-68
U.S. National Library of Medicine - Original Article in English

18. Hiemer A*, Zech NH*, Ectors F, Panagiotidis Y, Bach M, Neyer A, Vanderzwalmen S, Tomsin O, Vanderzwalmen P. Putting aseptic vitrification into practice. (*contributed equally) J Reproduktionsmedizin Endokrinol 2008; 5 (3), 121-131. ISSN: 1810-2107
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

17. Zech N, Shkumatov A, Koestenbauer S. The magic behind stem cells. J Assist Reprod Genet 2007; 24(6): 208-14
U.S. National Library of Medicine - Original Article in English
Springer Link - Original Article in English

16. Koestenbauer S, Zech NH, Dohr G. Trans-differentiation of adult stem cells –Is it possible that cells become more naive? J Reproduktionsmedizin Endokrinol 2006; 3(5): 324-30. ISSN: 1810-2107
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

15. Thoeni A, Murari S, Zech N. Partorire in acqua: una modalità fisiologica e sicura per nascere. Esperienza dopo 1850 parti in aqua a vipiteno. It J Gynaecol Obstet 2006; 18(1): 11-7. ISSN: 0020-7292
Original Article in Italian

14. Thoeni A, Zech N. Accoucher et être accouchèe dans lèau. La Lettre du Gynècologue 2006, 310: 4-7. ISSN : 9759-1594
Refdoc.fr - La réferénce en fourniture de documents scientifiques

13. Vanderzwalmen P, Zech N, Greindl AJ, Lejeune B. [Cryopreservation of human embryos by vitrification].
Gynecol Obstet Fertil 2006; 34(9): 760-69. French. ISSN: 1297-9589
U.S. National Library of Medicine - Original Article in English

12. Koestenbauer S, Zech NH, Juch H, Vanderzwalmen P, Schoonjans L, Dohr G. Embryonic stem cells: similarities and differences between human and murine embryonic stem cells. Am J Reprod Immunol. 2006; 55(3):169-80.
U.S. National Library of Medicine - Original Article in English
Wiley - Online Library - Original Article in English

11. Thoeni A, Zech N, Moroder L, Mussner K, Ploner F. Waterbirth and the risk of infection. Medicus 2005; 2: 35-41

10. Thoeni A, Zech N, Mussner K, Ploner F, Moroder L. Über die Kontamination des Wassers und die Infektion bei der Wassergeburt. Hygiene & Medizin 2005; 3: 57-61. ISSN: 0172-3790

9. Thoeni A, Zech N. Gebären und geboren werden im Wasser: Erfahrungen nach 1700 Wassergeburten. Hebamme 2005; 9: 4-9.

8. Thoeni A, Zech N, Moroder L, Mussner K, Ploner F. Das Infektionsrisiko bei Wassergeburt. Gynäkol Prax 2005; 29: 233-41. ISSN: 0341-8677

7. Thoni A, Zech N, Moroder L. Water birth and neonatal infections. Experience with 1575 deliveries in water. Minerva Ginecol 2005; 57 (2): 199-206. ISSN: 0026-4784
U.S. National Library of Medicine - Original Article in English

6. Zech NH. The art and science of anti-aging medicine. Asia-Pacific Biotech 2005; 9(15), 705-7. ISSN: 0219-0303

5. Zech NH. Plasticity of Stem Cells: Cell-fusion versus Transdifferentiation. J Reproduktionsmedizin Endokrinol 2005; 2(4): 239-45. ISSN: 1810-2107
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

4. Thoeni A, Zech N, Moroder L. Water birth and the risk of infection: Experience after 1500 water birth. Pol J Gyn Invest 2004; 7: 21-26
Index Copernicus International - Original Article in English

3. Zech N. Adult stem cell manipulation and possible clinical perspectives. J Reproduktionsmedizin Endokrinol 2004; 1: 91-9. ISSN: 1810-2107
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

2. Zech NH. Anti-aging diagnosis and therapy: fact and fiction. Gynakol Geburtshilfliche Rundsch 2004; 44(2): 113-22. ISSN: 1018-8843
U.S. National Library of Medicine - Original Article in English

1. Zech H, Zech N. Kontroversen in der Reproduktionsmedizin in Europa. Schweiz Med Forum 2003;3:Heft 14.
Schweizer Medical Forum - Original Artikel in Deutsch
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4. Proceedings

  
2. Baborova P, Uher P, Stecher A, Vanderzwalmen P, Corn C, Zech NH. Correlation between morphological semen parameters and sperm nuclear DNA damage: focus on the nuclear vacuoles. Medimont International Proceedings. Edited by J.L. Ballescà and R. Oliva; 9th International Congress of Andrology, Barcelona, Spain March 7-11, 2009 (in press) ISBN: 978-88-7587-530-5
Medimond International Proceedings - Original Article in English

1. Zech N, Weiß P, Moll W, Stecher A, Murach K, Zech H. Analysis of Clinically Important Parameters in Follicular Augmentation with a fixed Dose Regime of recFSH vs uFSH-HP and HMG after GnRH-“Long Protocol”- Down – Regulation. Monduzzi Editore International Proceedings Division CD-ROM and Book; 11th World Congress on In Vitro Fertilization and Human Reproductive Genetics; Sydney, Australia May 9-14, 1999: p211-214, ISBN: 978-88-3230-509-8
Medimond International Proceedings - Original Article in English

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5. Abstracts

  
61. Vanderzwalmen P,  Wirleitner B, Stecher A, Lejeune B, Puissant F, Vanderzwalmen S, Schwerda D, Baramsai B, Zech NH. Vitrification of zygotes in a closed system: sibling analysis on blastocyst formation rate of vitrified vs fresh zygotes. Hum. Reprod. (2010) 25(suppl 1): i102-i105 doi:10.1093/humrep/de.25.s1.65
Oxford Journals - Human Reproduction - Original Article in English
 
60. Vanderzwalmen P, Bach M, Neyer A, Stecher A, Zintz M, Lejeune B, Zech NH. Sperm selection for ICSIat high magnification: IMSI. Hum. Reprod. (2010) 25(suppl 1): i55-i56 doi:10.1093/humrep/de.25.s1.39
Oxford Journals - Human Reproduction - Original Article in English

59. Wogatzky J, Rubner P, Bach M, Vanderzwalmen P, Wirleitner B, Zech NH. Environmental and Lifestyle Factors in Men Undergoing ART and their Impact on Sperm-Analysis and MSOME Criteria. J Reproduktionsmed Endokrinol 2010; 7(5):434
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

58. Wirleitner B, Prapas Y, Panagiotidis Y, Papatheodorou Y, Stecher A, Lejeune B, Zech NH, Vanderzwalmen P. Vitrifikation von Eizellen und Vorkernstadien unter aseptischen Bedingungen. J Reproduktionsmed Endokrinol 2010; 7(5):434
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

57. Vanderzwalmen P, Ectors F, Wirleitner B, Stecher A, Vanderzwalmen S, Zech MH, Zech NH. Time Lapse Analysis of Mice Zygotesw Exposed to Cryoprotectant Solutions: A Way to Observe and Understand the Behavior of Cells before Vitrification. J Reproduktionsmed Endokrinol 2010; 7(5):432
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

56. Stecher A, Haidbauer R, Spitzer D, Schwerda RA, Zech NH. IVF bei Frauen im höheren Alter – bis zu welchem Alter bestehen realistische Chancen auf eine Lebendgeburt? J Reproduktionsmed Endokrinol 2010; 7(5):432
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

55. Spitzer D, Wogatzky J, Haidbauer R, Murtinger M, Zech NH. Bromocryptin zur Senkung des OHSS-Risikos – Erste Ergebnisse. J Reproduktionsmed Endokrinol 2010; 7(5):431
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

54. Spitzer D, Haidbauer R, Corn C, Stadler J, Zech NH. Follikelentwicklung unter alleiniger GnRH-Analoga-Therapie und CRP-Erhöhung nach ICSI. J Reproduktionsmed Endokrinol 2010; 7(5):431
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

53. Neyer T, Bach M,, Stecher A, Vanderzwalmen P, Zintz M, Zech NH. Dynamik von Vakuolen im Spermatozoenkopf. J Reproduktionsmed Endokrinol 2010; 7(5):429
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

52. Murtinger M, Zintz M, Stecher A, Vanderzwalmen P, Wirleitner B, Zech NH. Gastrointestinaler Infekt während der frühen Stimulationsphase – Einfluss auf die Eizellreifung und frühe Embryonalentwicklung. J Reproduktionsmed Endokrinol 2010; 7(5):429
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

51. Murtinger M, Wirleitner B, Stecher A, Vanderzwalmen P, Eichel V, Zech NH. Einfluss von Endometriumhöhe und –struktur auf die Implantationschancen im Kryozyklus. J Reproduktionsmed Endokrinol 2010; 7(5):428
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

50. Murtinger M, Aburumieh A, Eichel V, Rubner P, Zech MH, Zech N. OC17.01: Establishing new standards for monitoring controlled ovarian stimulation using 3D-transvaginal ultrasound plus automated volume count (SonoAVC). Ultrasound Obstet Gynecol. 2009 Sep 9;34(S1):32-33.
Wiley - Online Library - Original Article in English

49. Baborova P, Uher P, Kralickova M,  Zech NH. Random or non-random compound aneuploidy?
Reprod Biomed Online 2009; 18 (Suppl 3): S-15
Reproductive BioMedicine Online - Original Article in English

48. Zech NH, Baborova P, Corn C, Zech MH, Vanderzwalmen P, Uher P. Correlation between morphological semen parameters and sperm nuclear DNA damage: focus on the nuclear vacuoles and patient with environmental stress. J Androl  2009; 30 (Suppl S): 102
Journal of Andrology - Original Article in English

47. Zech NH, Babarova  P, Uher P, Harton G, Mariani B, Thornhill A, Griffin DK, Handyside AH. Genome-wide karyomapping in a reciprocal translocation carrier combines detection of chromosomal imbalance, segregation analysis and 24 chromosome aneuploidy screening.
Human Reprod 2009; 24(Suppl 1): i67 (P-525)
Oxford Journals - Human Reproduction - Original Article in English

46. Zech NH, Lopez J, Frias P, Leroy F, Vanderzwalmen P. In Vitro Maturation (IVM) of oocytes: replacement of developing embryos in a fresh or vitrified cycle? Human Reprod 2009; 24(Suppl 1): i67 (O-166)
Oxford Journals - Human Reproduction - Original Article in English

45. Baborova P, Uher P, Kralickova M, Zech NH. Random or non-random compound aneuploidy?
Human Reprod 2009; 24 (Suppl 1): i111 (O-276)
Oxford Journals - Human Reproduction - Original Article in English

44. Koestenbauer S, Dohr G, Zech NH. Umbilical Cord Blood-derived Cells with Embryonic Phenotype: Impact of Biological Variations of Serum on Cell-Culture Results. TISSUE ENG PART A. 2009; 15(3): 69
Mary Ann Liebert, Inc. Publishers - Original Article in English

43. Zech N. IPS – induzierte Stammzellen. J Gynäkol Endokrinol 2008; 18 (Suppl 1): 16 ISSN: 1995-6924
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

42. Kotzbeck P, Koestenbauer S, Dohr G, Zech NH. Phenotypical changes of hematopoietic stem cells in Co-Culture. Placenta 2008; 29(8): A44
Official Journal of the International Federation of Placenta Associations

41. Baborova P, Uher P, Stecher A, Vanderzwalen P, Corn C,  Zech NH. Correlation between morphological semen parameters and sperm nuclear DNA damage: focus on the nuclear vacuoles and patient with environmental stress.  J Reproduktionsmed Endokrinol 2008, 5 (5): 289. ISSN: 1810-2107
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

40. Murtinger M, Eichel V, Aburumieh A, Zech NH. Die dritte Dimension des Follikelwachstums. Abstract der 24. Jahrestagung der österreichischen Gesellschaft für Reproduktionsmedizin und Endokrinologie.
J Reproduktionsmed Endokrinol 2008, 5 (5): 373. ISSN: 1810-2107
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

39. Vanderzwalmen P, Stecher A, Bach M, Neyer T, Zintz M, Zech H, Zech NH. Arguments to implement the selection of spermatozoa at high magnification before ICSI. J Reproduktionsmed Endokrinol 2008, 5 (5): 300. ISSN: 1810-2107
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

38. Vanderzwalmen P, Frias P, Stecher A, Zech M, Lopez J, Zech NH. In Vitro Maturation (IVM) of Oocytes: Embryo Replacement in Fresh or Vitrified Cycles? J Reproduktionsmed Endokrinol 2008, 5 (5): 300. ISSN: 1810-2107
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

37. Baborova P, Uher P, Stecher A, Vanderzwalmen P, Corn C, Zech NH. Correlation Between Morphological Semen Parameters and Sperm Nuclear DNA Damage: Focus on the Nuclear Vacuoles and Patient with Environmental Stress. J Reproduktionsmed Endokrinol 2008, 5 (5): 289. ISSN: 1810-2107
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

36. Koestenbauer S, Vanderzwalmen P, Dohr G, Zech NH. Stammzellen mit embryonalem Charakter aus dem Nabelschnurblut – eine Zellpopulation mit großem Potential für den klinischen Einsatz  J Reproduktionsmed Endokrinol 2007; 4(4):197. ISSN: 1810-2107
Journal für Reproduktionsmedizin und Endokrinologie - Artikel in Deutsch

35. Zech NH, Bach M, Neyer T, Stecher A, Zintz M, Petra Baborova, Uher P, Vanderzwalmen P. Embryo development to day 5 and pregnancy rates after ICSI or intracytoplasmic morphologically selected sperm injection (IMSI) in patients with previous failure of implantation: a sibling study Fertil Steril 2007; 88 (Suppl 1): P-771
American Society Reproductive Medicine - Original Article in English

34. Zech NH, Bach M, Neyer T, Stecher A, Zintz M, Petra Baborova, Uher P, Vanderzwalmen P. Blastocyst formation after intracytoplasmic morphologically selected sperm injection (IMSI) according to the morphological integrity of human sperm nuclei. Fertil Steril 2007; 88(Suppl 1): P-86
American Society Reproductive Medicine - Original Article in English

33. Bach M, Neyer A, Stecher A, Uher P, Vanderzwalmen P, Zintz M, Zech N. Morphological integrity of human sperm nuclei and blastocyst formation after intracytoplasmic morphologically selected sperm injection (IMSI). Hum Reprod 2007; 22 (Suppl. 1): i108 (O-273)
Oxford Journals - Human Reproduction - Original Article in English

32. Koestenbauer S, Vanderzwalmen P, Sedlmayr P, Dohr P,  Zech NH. De-Differentiation of stem cells from human umbilical cord blood into cells with embryonic characteristic.  J Reproduktionsmed Endokrinol 2006; 3(4):263. ISSN: 1810-2107

31. Koestenbauer S, Zech NH, Vanderzwalmen P, Zech H, Sedlmayr P, Dohr G. De-differentiation of adult stem cells into cells with higher developmental potential. Am J Reprod Immunol 2006; 56(1):20
Wiley - Online Library - Original Article in English

30. Zech N, Stecher A, Zech H, Uher P, Vanderzwalmen P. Prospective analysis of embryo development to day 5 and transfer outcomes in sequential medium (G1.3–G2.3) vs. a one step protocol (Global medium). Human Reprod 2006; 21 (Suppl 1): i162 (P-432)
Oxford Journals - Human Reproduction - Original Article in English
 
29. Vanderzwalmen P, Lejeune B, Puissant F, Vanderzwalmen S, Zech H, Zintz M, Zech N. A prospective evaluation of the optimal time for selecting a single embryo for transfer: day 3 vs. day 5. Human Reprod 2006; 21 (Suppl 1): i80 (O-204)
Oxford Journals - Human Reproduction - Original Article in English

28. Koestenbauer S, Zech N, Vanderzwalmen P, Daxböck C, Dohr G. „Transdifferenzieren" adulte Stammzellen zu embryonalen Zellen? J Reproduktionsmed Endokrinol 2005; (3):180-181. ISSN: 1810-2107

27. Stecher A, Zintz M, Neyer A, Bach M, Zech N, Zech H, Vanderzwalmen P. Kultur von Embryonen bis zum Tag 5 in sequentiellem Medium oder in einem einfachen optimieren Kulturmedium „one-step“ Protokoll: Eine prospektive Analyse.  J Reproduktionsmed Endokrinol 2005; 3: 183-184. ISSN: 1810-2107

26. Zech N, Köstenbauer S, Vanderzwalmen P, Zech H, Daxböck C, Dohr G. Mikroskopische und immunologische Analyse des Integrationspotenzials von adulten Stammzellen in Mäuse-Blastozysten. J Reproduktionsmed Endokrinol 2005; (3):188. ISSN: 1810-2107

25. Vanderzwalmen P, Lejeune B, Stecher A, Zech N, Delval A, Zech H. Aseptical vitrification of day 3 and day 5 embryos in a hermetically closed container. J Reproduktionsmed Endokrinol 2005; (3):185-186. ISSN: 1810-2107

24. Zech N, Lejeune B, Puissant V, Zech H, Vanderzwalmen P. Single embryo transfer: selection on day 3 or day 5? A prospective study. J Reproduktionsmed Endokrinol 2005; (3):187. ISSN: 1810-2107

23. Vanderzwalmen P,Grobet L, Zech N, Ectors FJ. Cryopreservation of murine embryos: in vitro comparison of slow freezing versus vitrification in FVB and C57BL/6 (B6) strains. J Reproduktionsmed Endokrinol 2005; (3):187. ISSN: 1810-2107

22. Vanderzwalmen P, Lejeune B, Stecher A, Zech N, Delval A, Zech H. Survival of day 3 and day 5 embryos following vitrification in aseptic and non-aseptic conditions: a prospective randomised analysis. Fertil Steril 2005; 84 (Suppl 1): S175
American Society Reproductive Medicine - Original Article in English

21. Zech NH, Lejeune B, Puissant F, Zech H, Vanderzwalmen S, Vanderzwalmen P. Single Embryo Transfer: Selection on Day 3 or Day 5? A Prospective Observational Study. Fertil Steril 2005; 84 (Suppl 1): S266
American Society Reproductive Medicine - Original Article in English

20. Lang T, Zech H, Zech N, Kargl M, Schwaerzler P. Schwangerschaftsausgang nach Blastozystentransfer verglichen mit einem Embryotransfer im frühen Teilungsstadium. J Reproduktionsmed Endokrino 2004; (3): 234 ISSN: 1810-2107

19. Koestenbauer S, Zech N, Daxböck C, Blaschitz A, Dohr G. Potential hämatopoetischer Stammzellen zur De-Differenzierung.  J Reproduktionsmed Endokrino 2004; (3): 233. ISSN: 1810-2107

18. Zech N, Bertin G, Debauche Ch, Standaert V, Vanderzwalmen P. Vitrification of blastocysts after artificial hatching on day 4: an approach to cryopreserve biopsied embryos. Human Reprod 2003; 18(Suppl 1): xviii 142 (P-419)
Oxford Journals - Human Reproduction - Original Article in English

17. Zech N, Zech H, Weiss P, Fritzsche H, Rubner P. Einfluss einer subklinischen Hypothyreose mit bzw. ohne Substitution auf den Schwangerschaftsausgang. J Fertil Reprod 2003; 13 (3): 22-43

16. Zech N, Vanderzwalmen P, Dohr G. Untersuchungen zur Invasion adulter Stammzellen in die embryonale Mausmatrix. J Fertil Reprod 2003; 13 (3): 42

15. Jeziorowski T, Zech I, Zech N, Vanderzwalmen P. Embryo development after ICSI and after standard IVF in sibling oocytes from non-male factor infertility patients - a comparison. Hum Reprod 2002; 17 (Suppl 1): 44 (O-125)
Oxford Journals - Human Reproduction - Original Article in English

14. Zech H, Vanderzwalmen P, Zech N, Pfau K, Schwärzler P. Blastozystenkultur – Praktisches Vorgehen – Untersuchungen zum „Fetal Outcome“. J Fertil Reprod 2001; 11(4)

13. Pfau K, Zech N, Zech H, Schwärzler P. Fetal-Outcome nach Transfer von Blastozysten im Rahmen eines In Vitro-Fertilisierungs (IVF) Programmes. J Fertil Reprod 2000; 10(4): 26-50

12. Zech H, Vanderzwalmen P, Zech N. Vitrifikation von der Eizelle bis zum Blastozysten. J Fertil Reprod 2000; 10(4): 26-50

11. Zech N, Vanderzwalmen P, Zech H. Eizellen- (MII) und Blastozysten-Vitrifikation in einem „Hemi-Straw (HS) System. J Fertil Reprod 2000; 10(4): 26-50

10. Zech H, Vanderzwalmen P, Zech N. Artifizielle Reduktion des Blastozoels verbessert das Ueberleben der Blastozysten nach der Vitrifikation. J Fertil Reprod 2000; 10(4): 26-50

9. Zech N, Vanderzwalmen P, Lejeune B, Vandamme B, Nijs M, Stecher A, Zech H. Synchronous development of embryos after prolonged culture in sequential media is a good predictor of therapy outcome in various age groups. Hum Reprod 1999; 14 (Suppl 1): 207 (P-131)
Oxford Journals - Human Reproduction - Original Article in English

8. Zech N, Weiß P, Moll W, Stecher A, Murach KF, Zech H. Comparison of follicle stimulation with a fixed dose regime of recFSH, uFSH-HP and HMG. Gynecological Endocrinology 1999; 13 (Suppl 1): 1217
Informa Healthcare - Original Article in English

7. Stecher A, Vanderzwalmen P, Murach K, Zech N, Zech H. Schicksal von Germinal-Vesikel-Eizellen im stimulierten Zyklus. J Fertil Reprod 1999; 9(4)

6. Zech N, Stecher A, Vanderzwalmen P, Murach K, Zech H. Vorstellung neuer Ideen zur Eizellrekrutierung. J Fertil Reprod 1999; 9(4)

5. Sander T, Zech N, Stecher A, Vanderzwalmen P, Murach K, Zech H. Welche Vorteile bringt eine Follikel-Stimulation tatsächlich? J Fertil Reprod 1999; 9(4)

4. Zech N, Vanderzwalmen P, Murach K, Stecher A, Zech H.
Vorstellung der „Schockwellentheorie“ als möglicher schädigender Einfluss auf die Embryonen nach dem Kryokonservieren und Auftauen. J Fertil Reprod 1999; 9(4)

3.  Petzer AL, Gunsilius E, Zech N, Clausen J, Hoflehner E, Gastl G. Evaluation of optimal survival of mature (CFC) and immature progenitor cells (LTC-IC) from apheresis products after overnight (ON) storage. Bone Marrow Transplant 1999; 23 (Suppl. 1): S206 (P-690)
IOWA Carver College of Medicine - Original Article in English

2. Petzer AL, Gunsilius E, Zech N, Clausen J, Hoflehner E, Gastl G. Evaluation of optimal overnight storage conditions for mature (CFC) and immature (LTC-IC) progenitor cells in apheresis products. Exp Hematol 1998; 26(8): 784 (P-374)
Sciencedirect - Original Article in English

1. Zech H, Stecher A, Zech N, Vanderzwalmen P. Effekt des Transfers von MII- Zytoplasma in Germinal-Vesikel-Oocyten. J Fertil Reprod 1998; 4: 40

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6. Book contributions

  
4. Vanderzwalmen P, Ectors F, Grobet L, Van Steenbrugghe A, Leroy F, Zech N. Vitrification des ovocytes et des embryons dans un programme d´assistance médicale à la procréation: le point de la situation. In: Physiologie, Pathologie et Thérapie de la Reproduction chez l´Humain, Edited by Springer Verlag. ISBN: pending

3. Vanderzwalmen P, Grobet L, Prapas Y, Frias P, Zech N. Aseptic vitrification of human blastocysts : Protocol development and clinical application. In: Fertility Cryopreservation, Edited by Ri-Cheng Chian and Patrick Quinn, Cambridge University Press 2010: 106-113. ISBN: 978-0-521-51778-2 Hardback
Cambridge University Press - Original Article in English

2. Vanderzwalmen P, Ebner T, Zech N. One decade of experience with vitrification of human embryos in straws, hemi-straws and high security vitrification straws.  In: Vitrification in assisted reproduction: A user’s manual and trouble-shooting guide, Edited by Tucker and Liebermann. Informa healthcare, RM&ART, 2007: 195-217 ISBN: 0415408822
Informa Healthcare - Original Article in English

1. Zech H, Zech N, Vanderzwalmen P. Der Blastozystentransfer im Vergleich zum klassischen Embryotransfer.
In: Kinderwunsch: Moeglichkeiten, Erfuellbarkeit und Machbarkeit im neuen Jahrtausend, 2te Auflage. Edited by Fischl. Krause & Pachernegg GmbH, Verlag für Medizin und Wirtschaft, 2000: 185-192  ISBN-10: 3901299262; ISBN-13: 978-3901299261
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IVF Zentren Prof. Zech
Österreich
Bregenz
Tel.: +43 5574 44836
zech@ivf.at
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Salzburg
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Schweiz
Niederuzwil
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Liechtenstein
Vaduz
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Tschechische Republik
Pilsen
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zech@ivf-institut.cz
Italien
Meran
Tel.: +39 0473 270470
zech@fivet-ivf.it
Bereitstellung von wissenschaftlicher und technischer Expertise (Details) für:
Nigeria
The Bridge Clinics
Lagos State, Nigeria
Tel.: +234 1 461 9006