BACKGROUND: Insulin resistance (IR) is a common pathophysiologic feature in patients with polycystic ovary syndrome (PCOS). However, there have been no studies investigating the association of IR surrogates with pregnancy outcomes in women …
BACKGROUND: Few previous studies have addressed the impact of COVID-19 infection status on assisted reproductive technology outcomes. The purpose of this study was to assess whether COVID-19 infection affects ovulation induction outcomes an…
OBJECTIVE: To investigate the feasibility of performing frozen-thawed high-quality single blastocyst transfer in women of different ages. METHODS: A total of 1,279 women were divided into four groups: a 38-40-year-old group (n = 147), 35-3…
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…
BACKGROUND: It remains controversial whether there is a difference in the prognosis of intracytoplasmic sperm injection (ICSI) using frozen or fresh testicular sperm in patients with obstructive azoospermia (OA). Moreover, in the available …