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KMID : 0358419750180100825
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Korean Journal of Obstetrics and Gynecology
1975 Volume.18 No. 10 p.825 ~ p.841
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Studies on the length of gestation in korean pregnant women
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계정웅/Kay CW
사윤진/정순오/곽현모/Sa YJ/Chung SO/Kwak HM
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Abstract
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Investigation was made concering the length of gestational period among 11436 women pregnant. All of whose pregnancies ended during the five years 1969 to 1973 in Yonsei University Medical Center 1. The annual distribution of the total number of pregnancies were as follows. 1969 1970 1971 1972 1973 total No. of delivery 1896 2748 2351 2355 2086 11436 % 16.6 24.0 20.6 20.6 18.2 100.0 2. More than 80% of the pregnancy ended or terminated 37 to 40 weeks of gestation. Thus 37-42 weeks of gestation was the most favoured period. 3. The avearage length of gestation showed decreased with the age of the mothers adn differences of means were statistically sighnificant when the age of the mothers over fourty. 4. In these years annual total number of pregnancies in private cases increased progressively than that in clinic cases. The annual mean length of gestation in private cases was longer than that in clinic cases by two weeks and was more close to term. 5. The proportion of the hypertensive disorders during pregnancy among the total pregnancies terminated was as follows; Cases without toxemia 85.27% Preeclampsia, mild ford 9.01% Preeclampsia, severe form 4.22% Antepartal eclampsia 0.79% Intrapartal eclampsia 0.30% Postpartal eclampsia 0.19% Chronic hypertensive disease with toxemia 0.17% Chronic hypertensive disease without toxemia 0.06% 6. At birth the percentage of male birth 52.86% is larger than that of female There are no sighnificant differences in the duration of gestation weeks in the sex of baby. 7. The weight of newborn infants was distributed mainly between 3000 and 3400 gm. As the 38 th gestational weeks reached the baby`s weight is approximately 3.0kg The closer to 40 gestational weeks the more close to 4.0kg of baby weight. 8. The risk of the premature termination of pregnancy is increase with the number of previous abortion, whether spontaneous or induced increases. If the number of previous aboriton is over three there is sighnificant rise in premature termination of pregnancy than without abortion.
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