The reasons and high-risk factors of postpartum hemorrhage

Abstract

Objective To investigate the reasons and high-risk factors of postpartum hemorrhage （ PPH） .Methods A retrospective study of matched-control was performed that focused on the period of January 2012 to May 2013.A total of fifty nine pregnant women with PPH were identified and matched to 118 pregnant women without PPH.Results The cases of postpartum hemorrhage suffered uterine atony （49.2%） , placenta accrete （40.7%） ,soft birth canal laceration （11.9%） and blood coagulation dysfunction （5.1%） at the same time.The followings were risky factors causing PPH： previous abortion history, HGB 〈110 g/L, prolonged labor, third stage longer than 10 min, pregnancy induced hypertension or diabetes, cesarean, history of cesarean and low-lying placenta （ OR =3.25,3.84,7.75,7.22,2.11,2.93,1.61,2.07,6.01,2.51, respectively;P〈0.05）.Conclusions In order to reduce the incidence rate of postpartum hemorrhage, the clinic should pay more attention on antenatal care, prenatal education and family planning publicity, and improve the ability of recognition and prediction for high-risk factors of postpartum hemorrhage. Key words: Postpartum hemorrhage; Risk factor; Reason