BACKGROUND: Approximately 50% of the women with polycystic ovary syndrome (PCOS) are overweight or obese and obesity can significantly impair reproductive function. This study aimed to investigate the association between body mass index (BM…
BACKGROUND: This study was designed to evaluate pregnancy outcomes between morulae transferred on day 4 (D4) and blastocysts transferred on day 5 (D5). METHODS: From September 2017 to September 2020, 1963 fresh transfer cycles underwent ea…
OBJECTIVE: To compare the effects of five different frozen-thaw embryo transfer (FET) strategies in women aged 35-40 years. METHODS: Data from 1,060 patients were divided into five groups according to the number and quality of transferred …
OBJECTIVE: To investigate transfer strategies in the frozen-thawed embryo transfer (FET) cycle. METHODS: The clinical data of 1,652 FET patients were divided into five groups according to the number and quality of the transferred blastocys…