Xina Zhen

No ORCID on file · 3 papers in corpus
lab-animal 2026
Exosomal miR-199a-3p derived from follicular fluid modulates the immune microenvironment in polycystic ovary syndrome by regulating macrophage polarization
Journal of ovarian research ·doi:10.1186/s13048-026-02016-x

BACKGROUND: Polycystic ovary syndrome (PCOS) is characterized by chronic low-grade inflammation of the ovaries. This disorder of the immune microenvironment is closely related to abnormal follicular development and ovulation disorders. This…

observational 2026
Impact of trigger-day serum luteinizing hormone levels on embryo quality and pregnancy outcomes in overweight and obese women undergoing GnRH antagonist protocols: a retrospective cohort study
Frontiers in endocrinology ·doi:10.3389/fendo.2026.1825688

INTRODUCTION: Luteinizing hormone (LH) is critical for follicular development and IVF pregnancy outcomes, but evidence linking trigger-day serum LH levels to IVF-ET outcomes in overweight patients is scarce. This study investigated the impa…

observational 2025
Effect of progesterone levels on the hCG trigger day and the progesterone-to-basal progesterone ratio on pregnancy outcomes in fresh IVF/ICSI cycles with GnRH antagonist protocol: a retrospective cohort study
Frontiers in endocrinology ·doi:10.3389/fendo.2025.1653555

OBJECTIVE: This study aimed to analyze the effect of progesterone (P) levels on the human chorionic gonadotropin (hCG) trigger day and the progesterone on hCG day-to-basal progesterone (PhCG/Pbasal) ratio on pregnancy outcomes in patients w…