ORIGINAL ARTICLE
Comparison of the ongoing pregnancy rate of first frozen-thawed embryo transfer cycles in women undergoing IVF using progestin primed ovarian stimulation versus GnRH antagonist protocol
Hong Chena, Zhi Qin Chena#, Ernest Hung Yu Ngb, Miao Xin Chena, Mei Zhaoa, Jia Ping Pana, Kun Ming Li, Xiao Ming Tenga
aCenter of Assisted Reproduction, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, China;
bDepartment of Obstetrics & Gynaecology, The University of Hong Kong, Hong Kong Special Administrative Region, China.
CONTACT: Chen zhi Qin, Xiao Ming Teng, Center of Assisted Reproduction, Shanghai first Maternity and Infant Hospital, Tongji University School of Medicine, No 536. Changle Road, 200051, Shanghai, China.Tel:(86)21-54035206 ; Email:ptchen1@hotmail.com, tengxiaoming@51mch.com
Objective
To compare the pregnancy outcomes of first frozen-thawed embryo transfer in women undergoing IVF using progestin primed ovarian stimulation (PPOS) versus GnRH antagonist protocol.