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최유덕(Yu Duk Choi),이경훈(Gyoung Hoon Lee),김용욱(Yong Wook Kim),이광범(Kwang Beom Lee),서은정(Eun Jung Seo),손문성(Moon Sung Son),안현경(Hyun Gyoung Ahn),석원익(Won Eik Seok),최영진(Young Jin Choi),김광준(Gwang Jun Kim),김석영(Suk 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.10
Objective : The birth weight distributions are obtained to be classified according to the duration of pregnancy, and then compared with other results already published in literature to verify the difference. Methods : A total of 17,291 deliveries in Gachon medical center hospital from January 1996 to December 1999 is retrospectively reviewed. The data of 28∼42th week of gestation are analysed, and the 10th, 25th, 50th, 75th and 90th percentiles of birth weight are determined for each week and also according to sex and parity. Furthermore the 10th, 50th, 90th percentiles are compared with those from other reports. Results : 1. The 10th, 50th, 90th percentiles of birth weight classifed according to gestational age are as follow : in 28th week of pregnancy, 1,068, 1,240 and 1,812 g; in 32th week, 1,470, 1,890 and 2,266 g; in 36th week, 2,170, 2,720 and 3,240 g; in 40th week, 2,910, 3,370 and 3,870 g; in 42th week, 2,977, 3,475 and 4,023 g. 2. The mean birth weight of the male neonates is greater than that of the female ones from 37th week to 41th week (p<0.01). 3. Comparisons of 10th, 50th, 90th percentiles of birth weight with Park groups show that there is an increase of birth weight by 100∼144 g. Conclusion : Comparison of the birth weight-gestational age table with ones published by other groups shows that infants tend to be heavier.