Junfang Yan

No ORCID on file · 3 papers in corpus
other 2026
International journal of women's health ·doi:10.2147/ijwh.s583951

OBJECTIVE: The study systematically examines the long-term trends in the global burden of Polycystic ovary syndrome (PCOS) across 204 countries and territories, with a specific focus on comparing pre-pandemic (1990-2019) and post-pandemic (…

observational 2021
Frontiers in endocrinology ·doi:10.3389/fendo.2021.728051

OBJECTIVE: To assess whether women of advanced age (≥35 years) with polycystic ovary syndrome (PCOS) have the same cumulative live birth rate (CLBR) as their age-matched controls with tubal factor infertility and to determine the influencin…

observational 2019
Journal of ovarian research ·doi:10.1186/s13048-019-0539-8

BACKGROUND: Women with vanishing twin syndrome are associated with increased risks of adverse neonatal outcomes, such as preterm birth (PTB) and low birthweight (LBW), compared with those in singleton live births following single embryo tra…