Postpartum Hemorrhage After Vaginal Birth: An Analysis of Risk Factors

Pat Magann, S. Evans, M. Hutchinson, R. Collins, B.C. Howard, J.C. Morrison

    Research output: Contribution to journalArticlepeer-review

    128 Citations (Scopus)


    Objective: To determine, in a single tertiary obstetric hospital, the incidence of and risk factors for postpartum hemorrhage (PPH) after a vaginal birth.Methods: PPH was defined as measured blood loss greater than 1,000 mL and/or need for a transfusion.Results: Over a 4-year period, 13,868 of 19,476 women delivered vaginally, with a PPH rate of 5.15%. Identified risk factors for PPH were Asian race, maternal blood disorders, prior PPH, history of retained placenta, multiple pregnancy, antepartum hemorrhage, genital tract lacerations, macrosomia (> 4 kg), and induction of labor, as well as chorioamnionitis, intrapartum hemorrhage, still birth, compound fetal presentation, epidural anesthesia, prolonged first/second stage of labor, and forceps delivery after a failed vacuum.Conclusions: Identification of risk factors for PPH after a vaginal delivery may afford prophylactic treatment of such women with reduction of morbidity.
    Original languageEnglish
    Pages (from-to)1-4
    JournalSouthern Medical Journal
    Issue number4
    Publication statusPublished - 2005


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