Postpartum hemorrhage

Pregnancy, birth, and newborn, Sudden illness and injury. Also called: Heavy bleeding after birth.

How common is Postpartum hemorrhage in the US?

Overall crude incidence of postpartum hemorrhage (PPH) among women hospitalized for delivery, identified by ICD-9-CM/ICD-10-CM diagnosis codes: 8.01% (Women hospitalized for delivery (per delivery hospitalizations), 2005-2022; United States (federated EHR network, 8 academic medical centers spanning all 4 US Census regions; not a probability sample), 2005-2022). Source: npj Health Systems, 2026. Label: REPORTED.

• 8.01% Overall crude incidence of postpartum hemorrhage (PPH) among women hospitalized for delivery, identified by ICD-9-CM/ICD-10-CM diagnosis codes. Out of: Women hospitalized for delivery (per delivery hospitalizations), 2005-2022. Where: United States (federated EHR network, 8 academic medical centers spanning all 4 US Census regions; not a probability sample). When: 2005-2022. Label: REPORTED.

  Among 705,120 women hospitalized for delivery between 2005 and 2022, 56,475 were complicated by PPH, yielding an overall crude incidence rate of 8.01%.

  Source: Estimating the incidence and risk factors of postpartum hemorrhage from the national ENACT network npj Health Systems, 2026. PubMed 42533022. DOI 10.1038/s44401-026-00088-x.

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

Medical codes

• ICD-10-CM FY2026: O72.1 Other immediate postpartum hemorrhage (narrower). Other codes in this category also apply.

Research activity

As of 2026-09-24: 508 registered studies on ClinicalTrials.gov (search Postpartum Hemorrhage) and 4,023 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