Active phase of the ligament (5-3 cm dilation of the cervix at the beginning of the study), singleton pregnancy, healthy and live fetus, admission for vaginal delivery, gestational age 42-37 weeks, Vertex display, no internal disease and surgery,, no delivery with equipment,
No rupture of the uterus or cervix, no accelerated ligament (less than 3 hours), no use of relaxing medications such as magnesium sulfate or halogenated anesthesia, no heavy bleeding before the intervention, no rupture of grades 3 and 4, no macrosomic (weight) Fetus more than 4.5 kg), no severe and arterial bleeding from the rupture or epithelium, no manual removal of placenta and placenta, no need for additional routine treatments such as metrogen, misoprostrol