Delayed frozen embryo transfer failed to improve live birth rate and neonatal outcomes in patients requiring whole embryo freezing

• Main Authors: Yuxia He (Author), Haiyan Zheng (Author), Hongzi Du (Author), Jianqiao Liu (Author), Lei Li (Author), Haiying Liu (Author), Mingzhu Cao (Author), Shiping Chen (Author)
• Format: Book
• Published: BMC, 2020-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background Controlled ovarian stimulation (COS) has a negative effect on the endometrial receptivity compared with natural menstrual cycle. Whether it's necessary to postpone the first frozen embryo transfer (FET) following a freeze-all strategy in order to avoid any residual effect on...