Journal of the Korean Pediatric Society 1976;19(11):835-842.
Published online November 30, 1976.
Statistical and Clinical Observation for Prematurity and Low Birth Welight Infant
Hai Kyung Lee, Chui Kyu Kim
Department of Pediatrics,College of Medicine, Ewha Womans university,SeouI, Korea
미숙아 및 저체중아에 대한 임상적 통계적 고찰
이혜경, 김철규
이화여자대학교 의과대학 소아과학교실
We took statistical and clinical observation for prematurity and low birth weight infant according to new definition who had been delivered at Ewha University Hospital during the last 4 years from Jan. 1st 1971 to Dec. 31th 1974. The results obtained were as follows. 1)Incidence of prematurity on gestational age less than 37 week was 7.2% and the incidence of low birth weight infant on body weight less than 2. 5kg was 7,3%. 2)Mortality rate of low birth weight infant was 22.3% and there was high mortality rate on winter and summer.(Jan. Feb. Jun. Jul.) 3)Incidence of prematurity and low birthweight infant by sex was more frequent on. female than male each other. 4)There was no obvious decrement of incidence of prematurity and low birth weight infant by each year. 5)Incidence of prematurity and low birth weight infant by maternal age was rare on 26~30 years old and frequent on less than 20 years old or more than 40 years old and low birth infant by parity was more frequent on multiparity than primiparity. 6)Mortality of low birth weight infant was higher as the birth weight was low. And that mortality was high if the gestational age was less than 33 week or more than 40 weeks. 7)Causative disease of mother who^was delivered low birth weight infant or prematurity was multiple pregnancy, toxemia, premature memberane rupture etc. and almost death cause of low birth weight infant was prematurity and respiration associated disease. 8)Average weight gain of low: birth weight infant by our hospital care was 29.21 gram and. maximum weight loss was appared on average 6.6 th. day after delivery and average weight loss was 20 gram/day.

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