Onchee Yu

BACKGROUND: Accurate estimates of incidence and prevalence of endometriosis among nonselected cohorts are lacking in the United States, and earlier reports have produced varying results. OBJECTIVE: This study aimed to define endometriosis …

(Abstracted from Am J Obstet Gynecol 2021; doi: 10.1016/j.ajog.2021.06.067). Endometriosis, defined as the presence of extrauterine endometrial tissue, often has serious symptoms that significantly impact the lives of those affected and is …

BACKGROUND: Adenomyosis symptoms are disabling. Population-based data on incidence and prevalence of adenomyosis are lacking that could guide future evidence-based treatments and clinical management. OBJECTIVE: To evaluate the incidence, 1…

INTRODUCTION: Uterine fibroids are the most common benign tumors of the uterus and are associated with considerable morbidity. Diagnosis codes have been used to identify fibroid cases, but their accuracy, especially for incident cases, is u…

ICD-9 codes are conventionally used to identify pelvic inflammatory disease (PID) from administrative data for surveillance purposes. This approach may include non-PID cases. To refine PID case identification among women with ICD-9 codes su…

OBJECTIVE: Statins are an effective and commonly used cholesterol-lowering medication class, but their hypothesized effects on cancer risk remain uncertain. We evaluated the association between statin use and endometrial as well as ovarian …