• Xuemei Qing, Min Xie, Yong Zhang, and Ying Ma.
• Department of Obstetrics and Gynecology, Qingbaijiang District People's Hospital, Chengdu, Sichuan, China.
• Medicine (Baltimore). 2024 Jul 19; 103 (29): e39023e39023.

RationaleOvarian pregnancy is a rare form of ectopic pregnancy, accounting for 0.5% to 3% of the total number of ectopic pregnancies. Its diagnostic rate is very low and it can be easily misdiagnosed before laparoscopy, due to the clinical presentation being very similar to tubal pregnancy. The ovarian blood supply is abundant, and in case of rupture of ovarian pregnancy, intra-abdominal hemorrhage or even hemorrhagic shock may occur, endangering the patient's life. We report a case of ruptured primary ovarian pregnancy through natural conception.Patient ConcernsThis patient had a history of menopause with lower abdominal pain and tenderness. Ultrasound showed a thick-walled cystic echo in the left adnexal region, a dark area of fluid in the pelvis, and an irregular, slightly strong echo posterior to the uterus. Unclotted blood was punctured from the posterior fornix, and her hemoglobin was decreasing with a serum β-human chorionic gonadotropin of 1800.00 mIU/mL.DiagnosesThrough early recognition of clinical manifestations, ultrasonography, laparoscopic exploration, and the final histopathologic examination, this patient was diagnosed with an ovarian pregnancy.InterventionsThen, removal of the left ovarian pregnancy lesion was performed, which was visible as villi. And Methotrexate 50 mg was administered locally.OutcomesThrough conservative surgical treatment, she recovered well and was discharged with a satisfactory follow-up.LessonsGynecologists should be alert to patients with menopausal lower abdominal pain with or without vaginal bleeding and consider ectopic pregnancy in rare sites, such as ovarian pregnancy. Surgery is the mainstay of treatment, and early laparoscopic exploration may be beneficial in clarifying the diagnosis and performing the concurrent surgical treatment.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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