does its type affect pregnancy outcome?
Our objective was to compare pregnancy outcomes associated with different types of placenta previa. This is a retrospective analysis of pregnancies complicated by placenta previa, from January 1990 to December 1997. Descriptive statistics and comparison analyses were performed. One hundred seventy-five singleton pregnancies beyond 24 weeks that were complicated by complete, partial, or marginal previa were included. Differences in pregnancy outcomes between complete, partial, and marginal previas were: onset of bleeding (29.9 +/- 4.5 versus 32.5 +/- 6.9 versus 32.7 +/- 5.0 weeks, respectively, p < 0.05), antepartum hospitalization (60.7% versus 38.1% versus 35.1%, respectively, p < 0.05), gestation at delivery (34.7 +/- 3.1 versus 37.4 +/- 2.6 versus 36.1 +/- 3.0 weeks, respectively, p < 0.05), birth weight (2498.3 +/- 746.8 versus 2978.8 +/- 568.3 versus 2813.4 +/- 728.4 g, respectively, p < 0.05), and hysterectomy at time of cesarean delivery (20.5% versus 0% versus 8.1%, respectivel