Fig. 2

Mode of delivery. Mode of delivery (total VE, proportion low and mid VE, total ECS and proportion ECS at fully dilated cervix without prior attempt at VE) during the exposure periods. * = p < 0.05
Mode of delivery. Mode of delivery (total VE, proportion low and mid VE, total ECS and proportion ECS at fully dilated cervix without prior attempt at VE) during the exposure periods. * = p < 0.05