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P-635 No increased risk of adverse perinatal outcomes in singleton pregnancy of polycystic ovary syndrome(PCOS): a propensity score matching study
S. Xu1, G. Yihong1
1The First Affiliated Hospital of Zhengzhou University, Reproductive Medicine Center, Zhengzhou, China
P-636 Follitropin delta for controlled ovarian stimulation: a one-year analysis
N. Holtmann1, P. Edimiris1, J. Hirchenhain1, J.S. Kruessel1, A.P. Bielfeld1
1Medical Center University of Duesseldorf, Department of OB/GYN and REI UniKiD, Duesseldorf, Germany
P-637 Modified natural cycle IVF versus conventional stimulation in advanced-age Bologna poor responders
J. Errazuriz1,2, A. Romito1,3, S. Santos-Ribeiro1,4, B. Popovic-Todorovic1, A. Racca1, H. Tournaye1, M. De Vos5, C. Blockeel5,6
1UZ Brussel, center for Reproductive Medicine- Universitair Ziekenhuis Brussel- Brussels- Belgium, Brussels, Belgium
2Clinica Alemana, Departamento de Ginecología y Obstetricia- Facultad de Medicina, Santiago, Chile
3Sapienza University, Department of Ginecological-Obstetrical and Urological Sciences, Rome, Italy
4IVI-RMA Lisboa, center for Reproductive Medicine, lisboa, Portugal
5Avenue du Laerbeek 101- 1090 Jette, center for Reproductive Medicine- Universitair Ziekenhuis Brussel- Brussels- Belgium, Brussels, Belgium
6University of Zagreb-School of Medicine, Department of Obstetrics and Gynecology, Zagreb, Croatia
P-638 A shorter duration of estrogen administration yields equivalent live birth rates in non- downregulated hormone replacement frozen thawed embryo transfer cycles
T.A. Boza1, G.E. Aksakal1, M. Ceyhan1, S. Ertas1, O. Bulduk1, A. Isiklar1, B. Balaban1, B. Urman1 1American Hospital, Womens’ Health Centre- Assisted Reproduction Unit, Istanbul, Turkey
P-639 Live baby rate per oocyte with no stimulation
K. Kato1, T. Abe2, A. Yabuuchi3, K. Ezoe3, H. Skaletsky4, J. Fukuda1, S. Ueno5, T. Kobayashi1, S. Silber6 1Kato Ladies Clinic, Department of Gynecology, Tokyo, Japan
2Shinjuku ART Clinic, Department of Gynecology, Tokyo, Japan
3Kato Ladies Clinic, R & D division, Tokyo, Japan
4Howard Hughes Medical Institute- Whitehead Institute, David C. Page Laboratory, Cambridge, U.S.A. 5Kato Ladies Clinic, IVF Laboratory, Tokyo, Japan
6St. Luke’s Hospital, Infertility Center of St. Louis, St. Louis, U.S.A.
P-640 Lipid Profiling of Endometrium at the Window of Implantation in Patients with Premature Progesterone Rise on the day of human chorionic gonadotrophin administration
J. Li1, P. Chen2, X. Liang1
1the Sixth Affiliated Hospital- Sun Yat-sen University, Reproductive Medicine Research Centre, Guangzhou, China
2the First Affiliated Hospital- Sun Yat-sen University, Department of Pharmacy, Guangzhou, China
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