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KMID : 0358419700130090397
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Korean Journal of Obstetrics and Gynecology
1970 Volume.13 No. 9 p.397 ~ p.402
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Unengaged Head at the Onset of Labor in Primipara
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원유관/Won YK
김배근/김재건/이승철/Kim BK/Kim JK/Lee SC
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Abstract
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Sixty-four cases of unengaged head were found by x-ray pelvimetry and cephalometry at the onset of labor in 746 primiparae with vertex presentation who were admitted since January 1968 till December 1969. In order to compare unengaged group with engaged group, sixty cases of normal vaginal delivery were selected. The result were as follows: 1. The incidence of unengaged head was nine percent. 2. The cesarean section rate was 8.4% in engaged group and 34% in unengaged group. 3. There was no relationship between unengaged head and elderly primipara. 4. There was no great difference in baby weight of newborn between engaged group and unengaged group. 5. The difference of the anteroposterior diameter and the average skull diameter which was the mean value of the largest and the shortest diameters of the anteroposteriorand lateral films, was greater in engaged group than in unengaged group. 6. There was little prolongation of duration of labor in unengaged group than in engaged group. 7. Complications of mother and newborn were higher in unengaged group than in engaged group. 8. Careful revaluation of the whole cephalopelvic interrelationship is always called for in all engaged heads in primiparae at the onset of labor.
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