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Associations of PFAS exposure with obstetric and birth outcomes in the Japan Environment and Children's Study (JECS): Is maternal endometriosis an effect modifier?

Per- and polyfluoroalkyl substances (PFAS) are reportedly associated with adverse obstetric outcomes, including premature labor and gestational diabetes. We aimed to evaluate associations of maternal PFAS exposure with obstetric and …

Published: Nov. 6, 2025, midnight
Multi-institutional study of mesonephric-like adenocarcinoma: its clinicopathological characteristics and histogenetic association with ectopic endometrium.

To explore the clinicopathological features and origin of mesonephric-like adenocarcinomas (MLAs), 83 cases diagnosed or suspected to be MLAs were collected from various institutions in Japan. We clearly classified 78 …

Published: Oct. 29, 2025, midnight
Diagnostic Delays and Economic Burden in Japanese Women with Endometriosis: A Cross-Sectional Analysis.

This study investigates the association between diagnostic delay (DD) and clinical and behavioral variables among Japanese women with endometriosis, and explores an optimal cut-off point distinguishing short and long DD.

Published: Oct. 25, 2025, midnight
Feasibility of SNP Genotyping Using Dried Blood Spot Samples Collected in an Epidemiological Study and Its Integration With Genetic Risk Analysis for Endometriosis.

This study evaluated the feasibility of single-nucleotide polymorphism (SNP) genotyping using dried blood spot (DBS) samples stored under various conditions, based on the genotyping success rate and concordance with whole …

Published: Sept. 10, 2025, midnight
Loneliness and analgesic overuse among low-dose estrogen-progestin users in Japan.

Loneliness is related to menstrual disorders and medication use. Loneliness and pain are related and may be associated with analgesic use. The aim of this study was to investigate the …

Published: Sept. 2, 2025, midnight
A Case of Familial Mediterranean Fever With Severe Attacks During Withdrawal Bleeding After Controlled Ovarian Hyperstimulation.

Familial Mediterranean fever (FMF) is an autoinflammatory disease characterized by periodic fever, serositis, and arthritis. In women, FMF attacks can sometimes be triggered by the menstrual cycle. Once diagnosed, prophylactic …

Published: Dec. 21, 2024, midnight
Efficacy and safety of estetrol (15 mg)/drospirenone (3 mg) combination in a cyclic regimen for the treatment of primary and secondary dysmenorrhea: a multicenter, placebo-controlled, double-blind, randomized study.

To evaluate the efficacy and safety of the estetrol (E4) (15 mg)/drospirenone (DRSP) (3 mg) combination in a cyclic regimen in Japanese women with primary and secondary dysmenorrhea.

Published: Nov. 8, 2024, midnight
Impact of Estetrol Combined with Drospirenone on Blood Coagulation and Fibrinolysis in Patients with Endometriosis: A Multicenter, Randomized, Open-Label, Active-Controlled, Parallel-Group Study.

Venous thromboembolism is a serious safety concern in women using combined oral contraceptives; ethinyl estradiol (EE) is widely used as an estrogen. Estetrol (E4) is a native estrogen with selective …

Published: Oct. 13, 2024, 4:35 p.m.
Rethinking of treatment strategies and clinical management in ovarian clear cell carcinoma.

Ovarian clear cell carcinoma (OCCC), with unique clinical and molecular characteristics compared with other histological types of epithelial ovarian cancer (EOC), behaves like a distinct entity and has a poorer …

Published: Jan. 27, 2020, midnight
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