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Obstetricians have long wavered about the acceptability of vaginal birth after cesarean delivery (VBAC) from the health standpoint of both mother and newborn. The increasing frequency of cesarean deliveries renders the issue all the more urgent. Data have shown that the likelihood of successful VBAC is generally about 70%. Now, in a secondary analysis of results from a 4-year observational study involving 13,500 women, researchers investigated whether the number of prior VBACs is a predictor of successful future vaginal deliveries.
Participants had low transverse incisions from prior cesarean delivery and had delivered successfully by one or more VBACs. Key outcomes included successful delivery, uterine rupture or dehiscence, and surgical co…