Yangqin Peng

ORCID: 0000-0001-6264-6120 · 11 papers in corpus
observational 2026
Frontiers in endocrinology ·doi:10.3389/fendo.2026.1842023

BACKGROUND: Insulin resistance has been linked to adverse reproductive and pregnancy outcomes. The triglyceride glucose-body mass index (TyG-BMI) serves as a simple and cost-effective surrogate marker of insulin resistance. This study aimed…

observational 2025
·doi:10.21203/rs.3.rs-8239654/v1

Abstract Purpose: Previous studies have shown that adenomyosis increases the incidence of failure and recurrent miscarriage in patients undergoing in vitro fertilization embryo transfer.This study aimed to evaluate the relationship betw…

observational 2025
BMC surgery ·doi:10.1186/s12893-025-02857-1

BACKGROUND: To compare in-vitro fertilization and embryo transfer (IVF-ET) pregnancy outcomes following endometrial polypectomy using either a manual mechanical hysteroscopic tissue resection device (mHTR) or traditional mechanical resectio…

observational 2025
Quantitative Imaging in Medicine and Surgery ·doi:10.21037/qims-24-2034

BACKGROUND: High rates of infertility and pregnancy complications in patients with intrauterine adhesion (IUA) even after surgical repair may be associated with poor endometrial receptivity (ER). In our previous study, we found that changes…

observational 2024
Frontiers in medicine ·doi:10.3389/fmed.2024.1354363

INTRODUCTION: Ultrasound has become a routine method for endometrial receptivity (ER) evaluation. However, there is controversy over the independent evaluation values of various ultrasound indicators. Some researchers have designed multi-in…

other 2024
Frontiers in endocrinology ·doi:10.3389/fendo.2024.1343176

STUDY OBJECTIVE: To investigate whether different timings of GnRH-a downregulation affected assisted reproductive outcomes in infertile women with moderate-to-severe intrauterine adhesions (IUAs) accompanied by adenomyosis. DESIGN: A retro…

observational 2024
Frontiers in endocrinology ·doi:10.3389/fendo.2024.1489839

OBJECTIVE: To clarify whether intrauterine adhesions (IUAs) affect endometrial receptivity (ER) on the day of ovulation and to compare patients with mild and moderate-severe adhesions. METHODS: This prospective cohort study included 592 in…

observational 2023
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-023-02863-3

PURPOSE: To evaluate whether outcomes of in vitro fertilization (IVF) are affected during the coronavirus disease-19 (COVID-19) pandemic. METHODS: This was a single-center, retrospective study. Embryo development, pregnancy, and live birth…

observational 2023
Frontiers in endocrinology ·doi:10.3389/fendo.2023.1118044

OBJECTIVE: To obtain quantitative and comprehensive results of the changes in comprehensive ER indicators from ovulation day to transplantation day by ultrasonography during the natural frozen-thawed embryo transfer cycle (FET). METHODS: T…

observational 2023
Reproductive biology and endocrinology : RB&E ·doi:10.1186/s12958-023-01154-x

BACKGROUND: The current routine endometrial preparation protocol for women with polycystic ovary syndrome (PCOS) is hormone replacement treatment (HRT). Letrozole is rarely used in frozen embryo cycles. Evidence confirming whether letrozole…

observational 2020
Fertility and sterility ·doi:10.1016/j.fertnstert.2020.09.005

OBJECTIVE: To measure free and total 25-hydroxyvitamin D [25(OH)D] immediately before embryo transfer and analyze its association with early pregnancy outcome parameters such as biochemical pregnancy, implantation rate, and clinical pregnan…