Case Reports in Women s Health · Published 2026-03-24 · DOI 10.1016/j.crwh.2026.e00805
Intramural pregnancy (IMP) is the rarest form of ectopic pregnancy and lacks an established protocol for its definitive diagnosis and treatment. Its diagnosis remains challenging, as clinicians are often unfamiliar with this condition. Early diagnosis and treatment are crucial to minimize the risk of uterine rupture and to preserve reproductive potential. This report describes the case of a 39-year-old woman (gravida 4, para 0) with a history of repeated dilatation and curettage who developed an intramural ectopic pregnancy following in vitro fertilization and embryo transfer. Initial ultrasound examination revealed an empty gestational sac within the uterine cavity, which was diagnosed as an intrauterine missed abortion. Following an unsuccessful attempt at surgical evacuation, magnetic resonance imaging (MRI) confirmed the diagnosis of IMP. Systemic methotrexate in multiple doses resulted in a gradual decline in serum β-human chorionic gonadotropin (β-hCG) and reduced vascularity on ultrasound. Despite this response, the conceptus persisted, and laparoscopic excision was performed, leading to complete resolution. The patient was discharged 3 days after surgery without complications and was able to resume infertility treatment 3 months postoperatively. This case highlights the effectiveness of a staged therapeutic strategy combining systemic methotrexate and laparoscopic surgery to achieve complete resolution while preserving reproductive potential. This report provides practical insights into optimizing the timing of surgical intervention for fertility-preserving management in this rare and challenging condition.
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