Original ResearchPublished 12 October 2026Nonlinear relationship between serum LH levels on hCG trigger day and live birth rates in patients with fresh embryo transfer: a retrospective cohort studyYue Zhang · Yuxuan Xiao · Aimin Yang · Yang Yang · Lei Jiang · Jiahua Zheng · Kaixuan Guo · Wei WangFrontiers in Endocrinologydoi 10.3389/fendo.2026.1957191
Original ResearchPublished 12 October 2026Timing luteal urinary pregnanediol glucuronide assessment using urinary luteinizing hormone: agreement with ultrasound-determined ovulationRene Leiva · Rene Ecochard · Jonathan YangFrontiers in Endocrinologydoi 10.3389/fendo.2026.1992715
Adolescent MedicinePublished 22 September 2025Case Report: Time-restricted feeding improves metabolism in twins with polycystic ovary syndrome and insulin resistanceDingyan Luo · Zhouying Tan · Jiaoyang Feng · Yu Li · Qi Huang · Xin LiaoFrontiers in Adolescent Medicinedoi 10.3389/fradm.2025.1557504
