The study was caried out retrospectively based on the clinical charts of 973 patients who had Cesarean sections performed, and 981 newborns including 8 pairs of twins delivered from January 1, 1961 to December 31, 1971.
The results obtained were as follows :
1. Cesarean section rate was 8.1% for the period.
2. Among the indication for Cesarean section, the previous Cesarean section was the most prevalent (32.8%), and the others were cephalopelvic disproportion (31.7%), malpresentation (10.7%) in order.
3. In the types of poeration, lower cervical transverse type was most common (92.7%) and classical type was only 6.5%.
4. Of 221 combined operations with Cesarean section, tubal ligations were performed on 197 cases.
5. The general anesthesia was major type and its rate was 76.1%, and spinal anesthesia was 21.9% and so on.
6. It was found that maternal mortality was 0.5% and the morbidily was 30.7%.
7. Maternal mortality rate was increased as the duration of rupture of membranes was extended. Particulary the group of more than 12 hours after rupture of membrane were higher greatly than the group of less than 12 hours.
8. Perinatal mortality was 8.15%.