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P-778 Lower total gonadotropin dose per oocyte retrieved and top-quality embryos in the fresh cycle affect live birth rate in frozen-thawed embryo transfer
H. Joona1, S. Mäkinen2,3, K. Ahinko4, A. Haltia5,6, C. Hydén-Granskog1, A. Perheentupa7, N. Simberg8, A. Tiitinen1, H. Martikainen9, J.S. Tapanainen1,9, Z. Veleva1
1University of Helsinki and Helsinki University Hospital, Department of Obstetrics and Gynecology, Helsinki, Finland
2Ovumia Fertinova, Helsinki, Helsinki, Finland
3Väestöliitto Fertility Clinics, Helsinki and Oulu clinics, Helsinki, Finland
4University of Tampere and Tampere University Hospital, Department of Obstetrics and Gynecology, Tampere, Finland
5Felicitas Mehiläinen, Turku infertility clinic, Turku, Finland
6Väestöliitto Fertility Clinics, Turku clinic, Turku, Finland
7University of Turku and Turku University Hospital, Department of Obstetrics and Gynecology, Turku, Finland
8Dextra Fertility Clinic, Helsinki, Helsinki, Finland
9University of Oulu and Oulu University Hospital, Department of Obstetrics and Gynecology- Medical Research Center- PEDEGO Research Unit, Oulu, Finland
P-779 Impact of oocyte donation on pregnancy complications at very advanced maternal age
R. Meyer1, R. Orvieto1, Y. Timerman2, T. Gorodesky2, S. Toussia-Cohen3, A. Kedem1, M.J. Simchen1, R. Machtinger1
1The Chaim Sheba Medical Center, Obstetrics & Gynecology, Ramat-Gan, Israel
2St George’s University of London, The Faculty of Medicine, London, United Kingdom 3Tel-Aviv University, The Sackler Faculty of Medicine, Tel-Aviv, Israel
P-780 Number of children per couple after one or several IVF/ICSI treatments – a cohort analysis of 5385 couples with singleton live births
E. Lehtonen1, S. Mäkinen2,3, K. Ahinko4, A. Haltia5,6, A. Perheentupa7, N. Simberg8, C. Tomas9, A. Tiitinen1, H. Martikainen10, J.S. Tapanainen1,10, Z. Veleva1
1University of Helsinki and Helsinki University Hospital, Department of Obstetrics and Gynecology, Helsinki, Finland
2Väestöliitto Fertility Clinics, Helsinki and Oulu clinics, Helsinki, Finland 3Ovumia Fertinova, Helsinki, Helsinki, Finland
4University of Tampere and Tampere University Hospital, Department of Obstetrics and Gynecology, Tampere, Finland
5Väestöliitto Fertility Clinics, Turku clinic, Turku, Finland
6Felicitas Mehiläinen, Turku infertility clinic, Turku, Finland
7University of Turku and Turku University Hospital, Department of Obstetrics and Gynecology, Turku, Finland 8Dextra Fertility Clinic, Helsinki, Helsinki, Finland
9Ovumia Fertinova, Turku, Turku, Finland
10University of Oulu and Oulu University Hospital, Department of Obstetrics and Gynecology- Medical Research Center- PEDEGO Research Unit, Oulu, Finland
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