METHODS	Following fetal extraction and coinciding with umbilical cord clamping , a group of 52 women received 1 IU of oxytocin followed by an infusion of 2.5 IU x h ( -1 ) ; a second group of 52 women received a continuous infusion of 20 IU at a rate of 700 mlU x min ( -1 ) followed by 10 IU x min ( -1 ) .\