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Effect of retained embryos on pregnancy outcomes of in vitro fertilization: a matched retrospective cohort study.

Hui Xia ZhangFei LiHaixia JinWen Yan SongYingchun SuGang Li
Published in: BMC pregnancy and childbirth (2023)
The present findings demonstrated that immediate retransfer of REs did not significantly affect IVF outcomes, which may provide counselling information for patients when REs are identified and ET is reattempted. The incidence of REs was associated with the operator who expelled the embryos from the catheter. Attention to detail and frequent assessment of the operator's technique may facilitate avoidance of embryo retention.
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