A statistical analysis was made of the fetal effects of anesthesia for 910 Cesarean sections, performed from Jan. 1972 to Aug. 1977 in Han Kang Sung Shim Hospital, Seoul, Korea. The results were as follows; 1) The incidence of Cesarean section was 14.4% of total deliveries. 2) More than three fourths of total cases were emergency cases. 3) Almost all cases were operated under general anesthesia. 4) The good physical state of patients resulted in a better Apgar score of infants. 5) The shorter the interval from induction of anesthesia to delivery, the better was the Apgar score of infants.