Lei Yuan

ORCID: 0000-0002-7516-2819 · 17 papers in corpus
observational 2025
BMC pregnancy and childbirth ·doi:10.1186/s12884-025-07461-y

BACKGROUND: Spontaneous abortion has been associated with higher risk of type 2 diabetes mellitus (T2DM) and gestational diabetes mellitus (GDM), while the evidence remains equivocal. This study aimed to examine the association between spon…

observational 2024
Health data science ·doi:10.34133/hds.0147

Background: Concerns have been raised about the increasing prevalence of both spontaneous and induced abortions worldwide, yet their effect on premature mortality remains poorly understood. We aimed to examine the associations between abort…

other 2023
Bioscience trends ·doi:10.5582/bst.2022.01501

Endometriosis is a chronic inflammatory disease. The immune-checkpoint molecules CD226 and TIGIT play an important role in regulating T cells' function. However, little is known about the proportion and function of CD226 and TIGIT on CD4+ T…

other 2023
International journal of gynecological cancer : official journal of the International Gynecological Cancer Society ·doi:10.1136/ijgc-2022-003363
case-report 2022
Gland surgery ·doi:10.21037/gs-21-895

BACKGROUND: Endometriosis is a disturbing condition affecting about 10% of all reproductive aged women. The most severe form of endometriosis is deeply infiltrative endometriosis (DIE). Bowel is commonly affected in DIE. Treatment options o…

case-report 2021
·doi:10.21203/rs.3.rs-588714/v1

Abstract Background: About 10% reproductive aged women are affected by endometriosis. Deep infiltrative endometriosis (DIE) is the most severe form of endometriosis which has a high risk of recurrence. Bowel is the most common extragenital…

other 2021
Medicine ·doi:10.1097/md.0000000000026226

BACKGROUND: Primary dysmenorrhea (PD), one of the common gynecological diseases, is more common in adolescent women. According to epidemiological investigation, the incidence of PD accounts for about 60% of all patients with dysmenorrhea, a…

other 2015
Journal of Minimally Invasive Gynecology ·doi:10.1016/j.jmig.2015.08.729
observational 2013
Zhonghua fu chan ke za zhi

OBJECTIVE: To investigate clinicopathological features of abdominal wall endometriosis (AWE). METHODS: A retrospective study was conducted on 151 consecutive AWE patients undergoing treatment in Affiliated Obstetrics and Gynecology Hospita…

other 2013
European journal of obstetrics, gynecology, and reproductive biology ·doi:10.1016/j.ejogrb.2013.09.024

OBJECTIVE: To introduce a model incorporating expected risks for a vaginal procedure based on objective measurements of a patient's characteristics and propose it as a potential tool to assist in the selection of candidates for vaginal surg…

other 2013
Zhonghua fu chan ke za zhi

OBJECTIVE: To evaluate the short-term effect of leuprorelin acetate microspheres in preventing recurrence of ovarian endometrioma after conservative surgery. METHODS: From January 2011 to September 2011, 190 ovarian endometrioma patients u…

other 2010
Reproductive sciences (Thousand Oaks, Calif.) ·doi:10.1177/1933719110373807

Adenomyosis is a difficult disease to manage and currently there is no investigative drug for adenomyosis on the horizon. We have previously reported in a pilot study that valproic acid (VPA) appears to be effective in treating adenomyosis.…

other 2008
Fertility and sterility ·doi:10.1016/j.fertnstert.2008.01.070

Cyclooxegenase-2 expression was evaluated by immunohistochemistry in endometrioma tissue samples taken from 109 patients, of whom 53 had recurrence by 30 months after surgery and 56 did not. Cyclooxegenase-2 overexpression, along with previ…

other 2008
American journal of obstetrics and gynecology ·doi:10.1016/j.ajog.2008.04.040

OBJECTIVE: This study was undertaken to evaluate the immunoreactivity of progesterone receptor isoform B and nuclear factor kappa-B p65 subunit in ovarian endometrioma tissue samples harvested at the time of surgery and their relationship w…

observational 2008
Gynecologic and obstetric investigation ·doi:10.1159/000127419

AIM: To investigate patterns of and factors that may influence age at the first surgery (AATFS) for ovarian endometrioma. METHODS: Five hundred and ninety-two consecutive patients with ovarian endometriomas who underwent surgery at the Sha…

observational 2008
Gynecologic and obstetric investigation ·doi:10.1159/000140513

OBJECTIVE: To identify factors associated with the risk of developing dysmenorrhea or the severity of dysmenorrhea in women with surgically confirmed ovarian endometriomas. STUDY DESIGN: 710 patients with surgically diagnosed ovarian endom…

observational 2007
Obstetrics and gynecology ·doi:10.1097/01.aog.0000265215.87717.8b

OBJECTIVE: To identify risk factors for and the patterns of recurrence of endometrioma and of dysmenorrhea in women with ovarian endometrioma. METHODS: We evaluated 710 consecutive patients operated on for ovarian endometriomas who were fo…