Letrozole use during frozen embryo transfer cycles in women with polycystic ovary syndrome.


Department of Assisted Reproduction, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China. Electronic address: [Email]


To investigate whether live birth rate (LBR) following frozen-thawed embryo transfer in letrozole-stimulated cycles (L-FET) differs from LBR after artificial-cycle frozen-thawed embryos transfers (AC-FET) in women with polycystic ovary syndrome (PCOS).


Letrozole,endometrial preparation,frozen embryo transfer,polycystic ovary syndrome,