Kaori Koga

No ORCID on file · 162 papers in corpus · active 2000-2026

Study types

  • article 116
  • other 15
  • preprint 9
  • review 8
  • book-chapter 5

Condition tags

  • endometriosis 129
  • endometrioma 31
  • adenomyosis 26
  • infertility 9
  • dysmenorrhea 8
  • bladder_endometriosis 3
  • dyspareunia 2
  • thoracic_endometriosis 2
  • mesh:D004716 1
  • bowel_endometriosis 1
other 2026
Journal of occupational health ·doi:10.1093/joccuh/uiag018

OBJECTIVES: To develop a Workplace Health Initiatives Checklist for Women (WHIC‑W), we assessed content validity (expert) and provided initial evidence for construct validity by examining hypothesized cross-sectional associations with burno…

preprint 2026
·doi:10.21203/rs.3.rs-8631039/v1

Abstract Background: The implantation (retrograde menstruation) theory hypothesizes that endometriosis arises when refluxed endometrial cells implant at ectopic sites; however, a fallopian tube epithelial origin has also been proposed. …

2026
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics ·doi:10.1002/ijgo.70835

ObjectiveCombined oral contraceptives (COCs) for dysmenorrhea management have been covered by the Japanese universal health insurance system since 2008. Several public awareness events regarding COC prescriptions for dysmenorrhea were imple…

2026
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics ·doi:10.1002/ijgo.70752

ObjectiveTo assess the background, psychosocial, and menstrual factors associated with premenstrual syndrome (PMS) and premenstrual dysphoric disorder (PMDD) in a community-based cohort.MethodsA prospective cohort study was conducted using …

article 2026
·doi:10.1016/j.jri.2026.104933
case-report 2025
Journal of Obstetrics and Gynaecology Research ·doi:10.1111/jog.70140

Patients with endometriosis are at a high risk of developing pelvic inflammatory disease. This case series presents three cases of colo-ovarian fistulas associated with endometriosis, highlighting the potential for conservative management i…

article 2025
Fertility and Sterility ·doi:10.1016/j.fertnstert.2025.07.168
2025
The journal of obstetrics and gynaecology research ·doi:10.1111/jog.70150

AimDiffuse uterine leiomyomatosis (DUL) is characterized by numerous uterine leiomyomas within and diffusely replacing the myometrium. However, because of its rarity, the prevalence, diagnostic criteria, and standard treatment for patients …

article 2025
F&S science ·doi:10.1016/j.xfss.2025.06.002

OBJECTIVE: To compare the transcriptomes induced by estrogens used in combined oral contraceptives (COCs): estetrol (E4), ethinylestradiol (EE), and estradiol (E2) in human primary endometriotic stromal cells. DESIGN: Endometriotic stromal…

article 2024
Reproductive health ·doi:10.1186/s12978-024-01739-8

BACKGROUND: Endometriosis-related pain encompassing dysmenorrhea, dyspareunia, and chronic pelvic pain, reduces the quality of life in premenopausal women. Although treatment options for endometriosis alleviate this pain, approximately one-…

article 2024
·doi:10.1016/j.reprotox.2024.108571
preprint 2023
·doi:10.21203/rs.3.rs-2494154/v1

Abstract Background Adenomyosis is known to be associated with unfavorable perinatal outcomes, but the patient population among women with adenomyosis who is at high risk for adverse perinatal outcomes remains unclear. Recent case reports s…

article 2023
Journal of perinatal medicine ·doi:10.1515/jpm-2023-0263

OBJECTIVES: Adenomyosis is associated with unfavorable perinatal outcomes, and recent case reports show that some women with adenomyosis experience pain at the adenomyosis lesion during pregnancy and have detrimental perinatal outcomes. Thi…

preprint 2023
·doi:10.21203/rs.3.rs-2847062/v1

Abstract Ulipristal (UPA), a selective progesterone receptor modulator, has both agonistic and antagonistic effects on progesterone receptors. UPA suppresses ovulation by inhibiting the luteinizing hormone (LH) surge from the pituitary glan…

article 2023
Journal of Obstetrics and Gynaecology Research ·doi:10.1111/jog.15849

AIM: We aimed to investigate the associations of endometriosis and adenomyosis with pregnancy complications by using a large-scale Japanese database. METHODS: We retrospectively analyzed 145 590 singleton pregnancies from the Japan Perinat…

preprint 2023
·doi:10.21203/rs.3.rs-2834252/v1

Abstract Background Previous studies have shown the ovarian carcinoma after laparscopic cystectomy of endometrioma arises through the recurrence of endometrioma. Then it can be assumed that reduction of ovarian endometrioma recurrence throu…

article 2023
·doi:10.1016/j.jri.2023.103842

This study was designed to evaluate the effects of a 3-d vs. 9-d whole-plant corn allocation period and hay supplementation on performance, grazing prefer- ence, and ruminal fermentation of beef cows.Whole-plant corn grazing with beef cows …

preprint 2022
·doi:10.22541/au.166746976.62381783/v1

Objective To clarify the clinical characteristics of pain developing in adenomyosis lesions during pregnancy and the perinatal outcomes associated with this phenomenon. Study Design Retrospective cohort study. Setting A tertiary hospital in…

article 2022
Journal of Obstetrics and Gynaecology Research ·doi:10.1111/jog.15416

More than 10 years following the publication of "The General Rules for Clinical Management of Endometriosis: The second edition" in January 2010, the long-awaited third edition has arrived. The second edition represents the bible for endome…

article 2022
F&S science ·doi:10.1016/j.xfss.2022.04.004

OBJECTIVE: To evaluate the phosphorylation of estrogen receptor α at serine-118 (phospho-ERα S118) in the endometrium, ovarian endometrioma, and deep infiltrating endometriosis (DIE). DESIGN: Experimental study. SETTING: University-affili…

article 2022
BMC women's health ·doi:10.1186/s12905-022-01917-5

BACKGROUND: Endometriosis is assumed to be involved in ovarian cancer development, which is called endometriosis-associated ovarian cancer (EAOC). Uterine endometrial cells may be the cell of origin of EAOC. Accumulated carcinogenic changes…

book-chapter 2022
·doi:10.1016/b978-0-323-90805-4.00004-3
preprint 2022
·doi:10.21203/rs.3.rs-1332354/v2

Abstract Background: The purpose of this study was to establish a novel mouse model of adenomyosis suitable for longitudinal and quantitative analyses and perinatal outcome studies. Methods: Using a 30 G needle, the entire ute…

article 2022
Scientific reports ·doi:10.1038/s41598-022-22413-8

The purpose of this study was to establish a novel mouse model of adenomyosis suitable for longitudinal and quantitative analyses and perinatal outcome studies. Using a 30 G needle, the entire uterine wall of one horn was mechanically punct…

preprint 2022
·doi:10.21203/rs.3.rs-1332354/v1