Southern medical journal · 2013
Risk factors for a prolonged third stage of labor and postpartum hemorrhage.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Magann Everett F, Lutgendorf Monica A, Keiser Sharon D, Porter Stephanie, Siegel Eric R, McKelvey Samantha A, Morrison John C
Аннотация
OBJECTIVES: To determine the effect of a third stage of labor ≥15 minutes on bleeding after delivery and other risk factors for a postpartum hemorrhage (PPH).
METHODS: This was a case-control study of women undergoing vaginal delivery with placental delivery ≥15 minutes matched by gestational age to the next delivery with placental delivery <15 minutes. Multiple risk factors were evaluated for association with delayed placenta and with PPH.
RESULTS: There were 226 pregnancies ≥15 minutes (cases) versus 226 whose placental time was <15 minutes (controls). The best-fit model identified placental delivery ≥15 minutes, history of retained placenta, nulliparity, and increased length of first stage of labor as significant factors for PPH.
CONCLUSIONS: The best risk model for PPH includes placental delivery ≥15 minutes, history of retained placenta, nulliparity, and longer first stage of labor.
METHODS: This was a case-control study of women undergoing vaginal delivery with placental delivery ≥15 minutes matched by gestational age to the next delivery with placental delivery <15 minutes. Multiple risk factors were evaluated for association with delayed placenta and with PPH.
RESULTS: There were 226 pregnancies ≥15 minutes (cases) versus 226 whose placental time was <15 minutes (controls). The best-fit model identified placental delivery ≥15 minutes, history of retained placenta, nulliparity, and increased length of first stage of labor as significant factors for PPH.
CONCLUSIONS: The best risk model for PPH includes placental delivery ≥15 minutes, history of retained placenta, nulliparity, and longer first stage of labor.