The increasing rate of cesarean delivery has become a widespread concern worldwide, nearly half of which is due to previous cesarean deliveries, and elective repeat cesarean delivery (ERCD), which is the main option for women who have a second pregnancy after cesarean section, is a major factor in this increase. The trial of labor after cesarean section (TOLAC) is considered to be the best method, and the safety and feasibility of TOLAC have been confirmed by numerous studies, but in clinical practice, there are many factors that make TOLAC unsuccessful. This article reviews the factors that influence the choice of delivery method after cesarean section as follows.
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