The adverse effect of ambient PM2.5 exposure on very early pregnancy (VEP) remains controversial among epidemiological studies but is supported by toxicological evidence. We adopted a multicenter retrospective cohort of 141,040 cycles to ev…
BACKGROUND: We previously reported that obese mice had significantly high lipid content in embryos, and excessive lipids are detrimental to embryonic development. However, whether maternal obesity has an effect on embryonic vitrification in…
BACKGROUND: This meta-analysis summarizes evidence from studies using metformin (Met) to improve endometrial receptivity (ER) in women with PCOS. METHODS: Following the PRISMA protocol, we conducted a comprehensive search of academic liter…
This meta-analysis aimed to evaluate the variation in the diagnostic criteria for chronic endometritis (CE) and its effect on reproductive outcomes. A search of the academic literature was conducted in various databases including PubMed, Em…