Ectopic pregnancy

Pregnancy, birth, and newborn, Sudden illness and injury.

How common is Ectopic pregnancy in the US?

Ratio of weighted US emergency department visits with an ectopic pregnancy diagnosis to live births: 12.3 per 1000 live births (US live births, 2006-2013 (HCUP Nationwide Emergency Department Sample); United States, 2006-2013). Source: Maternal and Child Health Journal (CDC), 2020. Label: VERIFIED.

• 12.3 per 1000 live births Ratio of weighted US emergency department visits with an ectopic pregnancy diagnosis to live births. Out of: US live births, 2006-2013 (HCUP Nationwide Emergency Department Sample). Where: United States. When: 2006-2013. Counts only ectopic pregnancy diagnoses made at emergency department visits (ratio to live births), not ectopic pregnancies diagnosed elsewhere (e.g., outpatient or surgically without an ED visit). Label: VERIFIED.

  The overall ratio of weighted ED visits with an ectopic pregnancy diagnosis during 2006-2013 was 12.3 per 1000 live births.

  Source: Trends in Ectopic Pregnancy Diagnoses in United States Emergency Departments, 2006-2013 Maternal and Child Health Journal (CDC), 2020. PubMed 31848926. DOI 10.1007/s10995-019-02842-0.

Each figure measures something different. Do not compare them with each other or with other conditions.

Medical codes

• ICD-10-CM FY2026: O00.90 Unspecified ectopic pregnancy without intrauterine pregnancy (narrower). Other codes in this category also apply.

Research activity

As of 2026-09-24: 117 registered studies on ClinicalTrials.gov (search Ectopic Pregnancy) and 2,381 PubMed records, 2021 to 2025. A count of records is not how common or serious the condition is.

Population information, not medical advice. Methodology · Known limitations