This report was based on the 125 cases of congenital anomalies among 3,353 ncwborn infants in 3,266 deliveries after 20 weeks gestation in the Chonnam University Hospital from Janurary 1,9991 to April 30,1993.
The analvzed results were as follows. The incidence of congenital anomaly babies was 3.7% (125/3353). The incidence of congenital anomaly according to the maternal age group was 6.6% in 21~25 age group, which was the highest, but there were no
statistical differences between groups. The incidence of congenital anomaly according to parity was the highest in the para 2 group (5.0%), but there were no statistical differences between group. The incidence of congenial anomaly according to
baby sex
was 3.6% in male and 39.%in female infants. The incidence of congenital anomaly in the low birth weight infants (less than 2,500 am) was 7.8% (72/923), which was significantly higher than that in the infants mola than 2,500 gm (2.2%). Vaginal
dolivery
in the congenital anomaly was performed in 84.8% and Cesarean delivery in 15.2% Antenatal detection rate of congenital anomaly was 81.6%. But antenatal detection was not done 18.4% (23 cases) such as 6 cases of cleft lip and/or palate, 4 cases of
cardiac anomaly, 5 cases of hand and/or foot anomaly, 3 cases of imperforate anus, and 5 cases of others. The incidences according to the type of congenital anomaly were 28.8% in the central nervous system, 24.0% in the digestive system, 10% in
the
urogenital system. 10.4% in the nonimmune hydrops fetalis, 8.8% in the musculoskeletal system, and 6.4% in the cardiopulmonary system.
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