International journal of gynaecology and obstetrics : the official organ of the International Federation of Gynaecology and Obstetrics
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In an analysis of 6376 singleton births the prevalence of macrosomia was 4.9%; the attending perinatal mortality was 58/1000 compared to 18/1000 in controls. Eighty-three percent perinatal deaths occurred in unbooked patients after prolonged and neglected labor. ⋯ Pregnancy was significantly prolonged with higher incidence of emergency sections and primary postpartum hemorrhage in mothers of macrosomic babies. Fetal sex does not appear to be an important factor in macrosomia.