Weiran Chai
No ORCID on file
· 13 papers in corpus
observational
2025
BACKGROUND: In assisted reproductive technology, preventing premature ovulation is crucial for achieving successful pregnancy outcomes. The traditional GnRH antagonist protocol is commonly used to suppress the luteinizing hormone (LH) surge…
observational
2023
BACKGROUND: In vitro fertilization-conceived babies, even singletons, are at a higher risk of poor birth outcomes such as low birthweight and preterm birth than naturally conceived counterparts. It remains unclear as to what extent these ad…
nonrandomized-trial
2023
This study aimed to investigate the metabolite profile and inflammatory state of follicular fluid (FF) in women with stage III-IV ovarian endometriosis (OE) who underwent in vitro fertilization (IVF). A cohort of 20 consecutive patients wit…
observational
2022
Ectopic pregnancy (EP) is increasingly found in women treated with in vitro fertilization and embryo transfer (IVF−ET). With the development of the freeze-all policy in reproductive medicine, it is controversial whether frozen embryo transf…
observational
2022
BACKGROUND: Hydrosalpinx has a negative effect on the pregnancy outcomes of in vitro fertilization and embryo transfer (IVF-ET), and the pretreatment for hydrosalpinx play an important role in improving the outcomes of IVF-ET. This study ai…
observational
2022
PURPOSE: The purpose of this study is to assess the safety of progestin-primed ovarian stimulation (PPOS) protocol regarding the neonatal outcomes and congenital malformations in babies born after in vitro fertilization (IVF) and frozen emb…
rct
2020
Object: Is it possible to use different progestins cotreatment with human menopausal gonadotrophin (hMG) in women with advanced endometriosis but normal ovulation during controlled ovarian hyperstimulation (COH) in vitro fertilization (IVF)…
other
2020
BACKGROUND: This study investigated the effects of medroxyprogesterone acetate (MPA) on the oocytes and embryos in patients with advanced endometriosis who had a normal ovarian reserve and tubal infertility and received controlled ovarian h…
rct
2019
Objective: Progestin was recently used as an alternative of gonadotropin-releasing hormone (GnRH) analog for preventing premature luteinizing hormone (LH) surge with the aid of vitrification techniques, however, limited data were available …
rct
2018
BACKGROUND Increasing the success rate of in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) is a duty of clinicians that has made many seek a variety of protocols. This study was undertaken to use a liquid chromatography-ma…
observational
2017
This study investigated the use of medroxyprogesterone acetate (MPA) or a short protocol for controlled ovarian hyperstimulation (COH) in patients with advanced endometriosis who have normal ovarian function, and to compare cycle characteri…
observational
2016
Objective To explore the different endometrial preparation for frozen-thawed embryo transfer (FET) in women with advanced endometriosis (EMS). Methods The pregnancy outcomes of patients with advanced EMS (542 cycles), who were prepared for …
observational
2016
BACKGROUND The aim of this study was to investigate the effect of natural cycle (NC) endometrial preparation for frozen-thawed embryo transfer (FET) in women with advanced endometriosis. MATERIAL AND METHODS This retrospective study include…