ArticleBMJ case reports2018
Spontaneous ovarian heterotopic pregnancy.
Article in BMJ case reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 6 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it, 8 citations in OpenAlex.
- Spontaneous Heterotopic Pregnancy with Unaffected Intrauterine Pregnancy: Systematic Review of Clinical Outcomes.Medicina (Kaunas, Lithuania) · 2020Pooled it
- Retained products of conception complicated by hemoperitoneum: a case report.BMC women's health · 2026Article
- The unfortunate twin: A case report of intrapartum diagnosis of heterotopic pregnancy.Case reports in women's health · 2025Article
- Conservative Management of Heterotopic Pregnancy: A Case Report and Review of Literature.The American journal of case reports · 2023Review
- Ovarian Pregnancy: 2 Case Reports and a Systematic Review.Journal of clinical medicine · 2023Article
- A Case of Heterotopic Ovarian Pregnancy afterGynecology and minimally invasive therapyArticle
Corrections and comments
- Erratum issuedCorrection:2018
Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Heterotopic pregnancy is a simultaneous intrauterine and ectopic pregnancy. We report a case of a spontaneous ovarian heterotopic pregnancy. A 36-year-old woman, gravida 7 para 4-1-1-5 at 4 weeks gestation (spontaneous conception), presented to the emergency department with vaginal spotting, lower abdominal cramps with human chorionic gonadotropin(hCG) 10 772 mIU/mL (hCG at T0). Abdominal and pelvic examinations were benign. Transvaginal sonogram (TVS) showed an intrauterine gestational sac and yolk sac, no fetal pole visualised. She was discharged home with a diagnosis of threatened abortion. The patient returned to the emergency department 3 weeks later (T1) at 7 weeks gestation with recurrent vaginal bleeding and lower abdominal pain. Her TVS showed an empty uterus with small amount of free fluid in the cul-de-sac. A small 2 cm round mass noted in the adnexa with hCG of 4663 mIU/mL (hCG at T1). Laparoscopy revealed normal fallopian tubes bilaterally and a ruptured right ovarian ectopic pregnancy. Pathology was consistent with ectopic pregnancy. Abnormal hCG patterns should raise suspicion for heterotopic pregnancy.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.