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BACKGROUND Successful embryo implantation depends on a well-timed maternal-embryonic crosstalk. Human chorionic gonadotropin (hCG) secreted by the embryo is known to play a key role in this process(More)
STUDY QUESTION How do live birth rates (LBRs), following fresh and vitrified/warmed embryo transfer, compare according to morphological grade, developmental stage and culturing strategy of human(More)