Yoon SH

OBJECTIVE: To determine whether hysterectomy for benign diseases is associated with the risk of dementia in middle-aged women. METHODS: We conducted a retrospective cohort study using data from the Korean National Health Insurance Service …

OBJECTIVE: To investigate the association between the duration of levonorgestrel-releasing intrauterine system (LNG-IUS) use and breast cancer risk in Korean women. METHODS: A retrospective cohort study was conducted using the Korean Natio…

OBJECTIVE: Sex-, age-related discrepancies in development of chronic kidney disease (CKD) suggest that sex hormones play important roles in the development of CKD. We aimed to investigate the effect of levonorgestrel intrauterine system (LN…

Endometriosis, a prevalent but debilitating condition affecting women, poses significant challenges in diagnosis and management. The current 2024 guideline, developed by the Korean Society of Endometriosis (KSE), builds upon the 2018 KSE gu…

This study aimed to evaluate the association between hysterectomy and the risk of thyroid cancer and benign thyroid disorders in South Korean women. A retrospective cohort study was conducted using Korean National Insurance data from 2002 t…

OBJECTIVES: This study aimed to investigate the risk of osteoarthritis associated with menopausal hormone therapy (MHT). METHODS: This population-based retrospective cohort study used a database of Korean health insurance claims (2007-2020…

Both the uterus and breasts have sex hormone dependence, yet there are few studies on the association between breast disease and uterine fibroids (UFs). The purpose of this study was to investigate the incidence of benign breast disease (BB…

IMPORTANCE: Women who undergo surgical hysterectomy before natural menopause may have an earlier increase in hematocrit and storage iron levels than those who continue menstruation, thereby increasing the risk of cardiovascular disease (CVD…

BACKGROUND: Venous thrombosis associated with the use of oral contraceptives (OCs) occurs mostly in the deep veins of the lower extremity. A lesion of the upper extremity is rare, and the majority of thrombotic events that occur in the supe…

Beneficial and detrimental effect of surgical adenomyomectomy is still controversial in infertile women with severely diffuse adenomyosis. The primary objective of this study was to assess whether a novel method of fertility-preserving aden…

A significant fraction of couples around the world suffer from polycystic ovarian syndrome (PCOS), a disease defined by the characteristics of enhanced androgen synthesis in ovarian theca cells, hyperandrogenemia, and ovarian dysfunction in…

OBJECTIVE: To evaluate the risks of developing gestational diabetes (GDM) and pregnancy-induced hypertension (PIH) in women with polycystic ovary syndrome (PCOS) using data from Korea's National Health Insurance Service. METHOD: The PCOS g…

BACKGROUND: Several population-based studies and observational studies have shown that oophorectomy is associated with an increased risk of colorectal cancer (CRC), and hormone replacement therapy has been associated with a reduction in the…

BACKGROUND: We describe a case of a rupture-mediated large uterine defect, which occurred on the 30th gestation week presenting a protruding amniotic sac sac without fetal compromise after a laparoscopic electromyolysis. CASE PRESENTATION:…

OBJECTIVE: To investigate whether specific genetic polymorphisms in the cyclin-dependent kinase inhibitor 2B antisense RNA (CDKN2B-AS) gene and near the wingless-type MMTV integration site family member 4 (WNT4) gene are associated with end…

PURPOSE: To compare the clinical outcomes of elective single morula embryo transfer (eSMET) versus elective single blastocyst embryo transfer (eSBET) in selected patients. METHODS: This study was a retrospective study which analyzed for 27…

OBJECTIVE: To investigate whether the interferon-γ (IFN-γ) gene (CA)(n) repeat polymorphism is associated with susceptibility to endometriosis. DESIGN: Case-control study. SETTING: University Department of Obstetrics and Gynaecology. POP…

OBJECTIVE: To investigate whether the transforming growth factor beta (TGF-beta) gene -509 C/T polymorphism is associated with susceptibility to advanced-stage endometriosis. DESIGN: Case-control study. SETTING: University department of o…