“…After previous cesarean section, the incidence varies between 0.4% and 0.9% [3,5] whereas in women without prior uterine surgery the incidence of uterine rupture is about 0.006%-0.02% [4,5]. In addition to previous cesarean section, postulated risk factors for uterine rupture are induction of labor, maternal age, multiparity, gestational age at delivery, vacuum-assisted birth, fetal birth weight, short inter pregnancy interval, prolonged second stage of labor, abnormal placentation, and uterine fundal pressure (UFP) [2,[6][7][8][9][10][11][12][13][14][15]. Although UFP is widely used [16] -a survey in the US found that in 80% of institutions UFP was applied [17] -there is scarce data about its' association with uterine rupture [16,17].…”