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41.
I. Hatoum L. Bellon N. Swierkowski M. Ouazana S. Bouba K. Fathallah B. Paillusson M. Bailly F. Boitrelle L. Alter M. Bergère J. Selva R. Wainer 《Journal of assisted reproduction and genetics》2018,35(3):425-429
Purpose
The purpose of this study was to determine the effect of stimulated and artificial endometrial preparation protocols on reproductive outcomes in frozen embryo transfer (FET) cycles.Methods
We performed a retrospective study of 1926 FET cycles over a 3.5-year period in the Fertility Unit at a University Hospital. Stimulated and artificial protocols were used for endometrial preparation. The embryos for FET were obtained from either in vitro fertilization or intracytoplasmic sperm injection cycles. Live birth rate and early pregnancy loss rates were retrospectively compared.In artificial protocols, oral or vaginal administration of oestradiol 2 mg two or three times a day was followed by vaginal supplementation with progesterone 200 mg two or three times a day. In stimulated protocols, recombinant follicle-stimulating hormone was administered from day 4 onward. Vaginal ultrasound was used for endometrial and ovarian monitoring. A pregnancy test was performed 14 days after FET. If it was positive, oestradiol and progesterone were administered up until the 12th week of gestation in artificial cycles. We defined early pregnancy losses as biochemical pregnancies (preclinical losses) and miscarriages.Results
Data on 865 artificial cycles (45% of the total) and 1061 stimulated cycles (55%) were collected. Early pregnancy loss rate was significantly lower for stimulated cycles (34.2%) than for artificial cycles (56.9%), and the live birth rate was significantly higher for stimulated cycles (59.7%) than for artificial cycles (29.1%).Conclusion
In frozen embryo transfer, artificial cycles were associated with more early pregnancy loss and lower live birth rate than stimulated cycles.42.
Aude Christelle Ka'e Joseph Fokam Willy Le Roi Togna Pabo Aubin Nanfack Ezechiel Ngoufack Jagni Semengue Yagai Bouba Alex Durand Nka Suzie Tetang Grace Beloumou Desire Takou Collins Chenwi Michel Carlos Tommo Tchouaket Aissatou Abba Sandrine Djupsa Samuel Martin Sosso Nounouce Bouba Pamen John O. Otshudiema Yap Boum III Vittorio Colizzi Alexis Ndjolo Carlo-Federico Perno Francesca Ceccherini-Silberstein Maria M. Santoro 《HIV medicine》2023,24(6):691-702