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Abnormalities and complications of labor and delivery should be diagnosed and managed as early as possible. Most (eg, multifetal pregnancy, postterm pregnancy, premature rupture of membranes, abnormal fetal presentation) are usually evident before onset of labor. Some (eg, amniotic fluid embolism, shoulder dystocia, fetopelvic disproportion, preterm labor, protracted labor, umbilical cord prolapse) develop or become evident during labor or the delivery period. Alternatives to spontaneous labor and vaginal delivery may be needed. Some complications (eg, postpartum hemorrhage, inverted uterus) occur immediately after delivery of the fetus and around the time the placenta is delivered. Placenta accreta (see Abnormalities of Pregnancy: Placenta Accreta) may be discovered during pregnancy or only after delivery.
For neonatal resuscitation and disorders of the birth process, see Perinatal Problems; for meconium aspiration syndrome, see Respiratory Disorders in Neonates, Infants, and Young Children: Meconium Aspiration Syndrome.
Last full review/revision December 2008 by Julie S. Moldenhauer, MD
Content last modified December 2008
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