Effect of Human Chorionic Gonadotropin on the Transfer Day of Frozen-Thawed Embryo Transfer Cycles on Pregnancy Outcomes

LIU Yi-xuan，ZHU Min，YAN Hong-li，ZHANG Hui-qin，DU Hui，ZHANG Wen-jing，FENG Shu-gai，WANG Ji-mang，YIN Hui-rong，SONG Di，CAI Yan-ping，HU Ting-ting，HONG Yi，WU Hai-shen，WANG Ling，SHI Min-feng

Journal of International Reproductive Health/Family Planning . 2019, (1): 30 -34 .