Clinical and statistical observations were performed on 1, 930 cases of pregnant women who were admitted for delivery in the Department of Obstetrics, Kyung Hee University! Hospital during I year (1982) and on 1, 961 cases of neonates who were born to the former.
The results were obtained as follows:
1. Concerning maternal age distribution, the commonest age group was that of 25^29 and the proportion of the age group 2029 was 82.4% of all.
2. Concerning obstetrical history, the proportion of the women who had no prior experience of delivery nor abortion was the highest, 45.5%.
3. Concerning abortion history, 36.1 of the women had experienced it and tbe.mean number was 1.8.
4. Type of delivery was as follows: Spontaneous delivery; 58. 1%, Vacuum extracted delivery; 22.4%, Cesarean section; 18.8%, Breech delivery; 0.7%.
5. Gestational period distribution of the neonates was as follows: Under 37 weeks (Preterm; 7.1%, Between 38 and 42 weeks (Term) ; 87.2%, More than 43 weeks (XPostterm) ; 5.75o.
6. Sex ratio of male to female of the neonates was 1.03 : I.
7. Birth weight distribution was as follows: Under 2, 500gm.; 9.00, Between 2, 501 and 4, 000 gm.; 85.5%, More than 4, 001gm.; 5.5%.
8. The measured growth data of neonates were as follows: Body weight; 3.28kg. for male, 3. IS kg. for female, Body height; 50.40cm for male, 49.77cm for female, Chest circumference; 32.54cm for male, 32. 17cm for female, Head circumference; 33.49cm for male, 33. llcm for female.
9. The mean values of Apgar score per I minute were 7.70 for male and 7.63 for female.
10. The incidence rate of neonatal jaundice was 50.00/a and no difference in sex respectively, but more prevalent in preterm baby. ,
11. The incidence rate of neonatal diseases was 8.9% and the commonest disease was neonatal infection (35.6%).
12. Concerning multiple pregnancy, ratio to single births was 1 : 64.3 a d the sex ratio of male to female was 1 : 1.03.
13. The incidence rate of congenital anomaly was 2.4% and the commonest anomaly was digestive system anomaly (30.9%).
14. The neonatal rnortality,rate was 11.73 per 1, 000 neonates, and the rriajority of neonatal deaths were in low birth weight and preterm neonates (78.30 .
15. The causes of neonatal deaths in decreasing order of frequency were abnormal ventilation (39.1%), prematurity (30.4%), congenital anomaly (13. 0,061) and ete.
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