Maternal and obstetrics characteristics. Data are expressed as mean SD, except for Apgar score, which is expressed as median an range. There were no statistical differences among the three groups. Data are expressed as mean SD, except for incision and tubal ligation which are numbers. There were no statistical differences among the three groups.
Data are number and percentage.
There were no significant difference between the ondansetron and the metoclopramide group. Incidents and variables related with spinal anesthesia for cesarean section. The mean amount of ephedrine used was similar among the three groups. No side effects of ondansentron or metoclopramide were observed in any of the study patients. The effects of spinal anaesthesia on women on their labour period are different from those observed in non-obstetric patients.