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Perinatal outcomes in twin pregnancy with birth weight discordancy

Other Title
출생 체중 불일치를 보이는 쌍태임신의 주산기 예후
Authors
이, 희종; 이, 준서; 김, 행수; 양, 정인; 오, 준환; 한, 기수; 오, 기석
Citation
Taehan Sanbuinkwa Hakhoe chapchi, 44(3):466-471, 2001
Journal Title
Taehan Sanbuinkwa Hakhoe chapchi; Korean journal of obstetrics and gynecology; 대한산부인과학회잡지
ISSN
0494-4755
Abstract
Objective : To evaluate the perinatal outcomes of twin pregnancies with birth weight discordancy and to determine factors affecting on the outcomes. Methods : We studied 367 pairs of twin delivered after 28 weeks of gestation at the Ajou University Hospital between June 1994 and June 2000. Twins were stratified into three groups according to the percent difference of birth weight. Birth weight difference less than 15%(concordant) was classified into control group(268 pairs), between 15% and 25% into group 1(72 pairs), and more than 25% into group 2(27 pairs). Perinatal outcomes of each group were assessed retrospectively. Results : In smaller twins, mean birth weight(control vs group 1 vs. group 2 : 2274.3±424.9 gm vs. 2012.9±303.2 gm vs. 1635.2±440.8 gm, p<0.05), duration of neonatal intensive care unit admission(7.6±11.5 days vs. 11.6±10.8 days vs. 18.6±14.4 days, p<0.05), and the frequency of neonatal jaundice(8.6% vs. 12.5% vs. 29.6%, p<0.05), the frequency of small for gestational age infant(8.2% vs. 40.3% vs. 74.1%, p<0.05), and perinatal mortality(2.6% vs. 2.8% vs. 11.1%, p<0.05) in group 2 showed statistically significant difference from control group. No difference was found in larger twins. In multiple logistic regression analysis, independent prognostic factors of discordant twin were gestational age and birth weight. Conclusion : In twin pregnancies with birth weight discordancy, larger twins showed no difference in perinatal outcomes but smaller twins with birth weight discordancy more than 25% showed significantly higher perinatal mortality and morbidity. However independent prognostic factor was not discordancy itself but gestational age and birth weight.
Keywords
Twinbirth weight discordancyperinatal outcomes
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Obstetrics & Gynecology
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