Zhongyuan Yao

No ORCID on file · 7 papers in corpus
observational 2025
BMC pregnancy and childbirth ·doi:10.1186/s12884-025-07783-x

BACKGROUND: The weekend effect is a controversial epidemiological phenomenon that has rarely been reported in the assisted reproductive technology (ART) setting, particularly among first-cycle fresh embryo transfer (ET) populations undergoi…

observational 2025
Scientific reports ·doi:10.1038/s41598-025-05029-6

To evaluate whether the Spring Festival has an effect on the outcomes of patients undergoing their first embryo transfer (ET) via in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI). We conducted a retrospective cohort study …

observational 2023
BMC pregnancy and childbirth ·doi:10.1186/s12884-023-05920-y

BACKGROUND: The study investigated whether specific ultrasonographically observed endometrial features (including endometrium type and thickness) were linked to ectopic pregnancy after stimulated cycles with fresh embryo transfer. METHOD: …

observational 2022
Frontiers in endocrinology ·doi:10.3389/fendo.2022.884553

INTRODUCTION: Endometrium characteristics that are most likely to induce ectopic pregnancy were investigated on the basis of the data of 5,960 pregnant freeze-thaw cycles. METHODS: A total of 5,960 pregnancy cycles after freeze-thaw embryo…

observational 2022
Frontiers in endocrinology ·doi:10.3389/fendo.2022.880518

OBJECTIVE: To evaluate the associations between homeostatic model assessment for insulin resistance (HOMA-IR) and pregnancy outcomes in non-dyslipidemic infertile women undergoing in vitro fertilization/intracytoplasmic sperm injection-embr…

meta-analysis 2021
Reproductive biology and endocrinology : RB&E ·doi:10.1186/s12958-020-00685-x

BACKGROUND: There has been an interest in the relationship between ABO blood groups and infertility. Many studies have investigated the association of ABO blood groups with diminished ovarian reserve (DOR), ovarian hyperstimulation syndrome…

nonrandomized-trial 2021
Journal of translational medicine ·doi:10.1186/s12967-021-02837-y

BACKGROUND: Window of implantation (WOI) displacement is one of the endometrial origins of embryo implantation failure, especially repeated implantation failure (RIF). An accurate prediction tool for endometrial receptivity (ER) is extraord…