Yingchun Su
No ORCID on file
· 10 papers in corpus
observational
2025
BACKGROUND: It is ambiguous whether the multiple COS with supraphysiologic hormonal doses impact ovarian reserve functions or pregnancy outcomes. The aim is to explore the effect of multiple COS during ART on ovarian reserve function and cl…
other
2024
INTRODUCTION: Studies on the effect of vaccine type and two other vaccines other than inactivated vaccines approved in China on in vitro fertilization (IVF) pregnancy outcomes are rare. To complement and confirm the existing findings, this …
observational
2023
OBJECTIVES: To explore the incidence of retained embryos (REs) in embryo transfer (ET) cycles and its effects on pregnancy outcomes in women undergoing in vitro fertilization (IVF). METHODS: This was a matched retrospective cohort study in…
observational
2023
OBJECTIVE: To assess whether low-grade inflammation, measured by serum high-sensitivity C-reactive protein (hsCRP) levels, is associated with in vitro fertilization (IVF) outcomes. DESIGN: A retrospective study. SETTING: University-affili…
observational
2023
BACKGROUND: This retrospective study aimed to investigate the most suitable endometrial thickness (EMT) on the day of embryo transfer that could reduce ectopic pregnancy rate (EPR) and improve clinical pregnancy rate (CPR) in fresh embryo t…
observational
2021
Oocyte retrieval is a routine procedure during the application of assisted reproduction technology. However, technical difficulties experienced during oocyte retrieval and the subsequent unsatisfactory number of oocytes obtained are rarely …
observational
2021
BACKGROUND: The definition of recurrent implantation failure (RIF) differs clinically, one of the most controversial diagnostic criteria is the number of failed treatment cycles. We tried to investigate whether the two implantation failure …
observational
2020
RESEARCH QUESTION: Which factors are related to early spontaneous miscarriage in IVF-conceived clinical pregnancies? DESIGN: A total of 21,485 clinical pregnancies were included in the analysis. First, early spontaneous miscarriage rates w…
observational
2014
Many protocols have been proposed to improve IVF outcomes for poor ovarian responders. The aim of this study was to explore the relationship between age, ovarian hyperstimulation protocol and IVF/ICSI outcomes in poor ovarian responder (POR…
nonrandomized-trial
2012
OBJECTIVE: To retrospectively analyze the effects of long-acting gonadotropin-releasing hormone agonist (GnRH-a) combined with transvaginal ultrasound-guided cyst aspiration on the pregnancy outcomes of in vitro fertilization-embryo transfe…