Pregnancy outcomes in twin pregnancies over 10 years
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ObjectiveThe aim of this study was to evaluate the changes in twin pregnancy outcomes between 2007 and 2016 in a Koreanpopulation. MethodsThe data for this nationwide population-based study was obtained from the national birth registry of the KoreanNational Statistical Office and the Health Insurance Review & Assessment Service of Korea. Women with twinpregnancies who gave birth between 2007 and 2016 were included. ResultsFrom 2007 to 2016, the rate of twin pregnancies increased (1.37% vs. 1.91%, respectively, P<0.0001). The risk ofpreterm birth (adjusted odds ratio [aOR], 1.77; 95% confidence interval [CI], 1.66-1.89) also increased; however, therisk of twin growth discordance (aOR, 0.90; 95% CI, 0.82-0.99) decreased. The risks of cesarean section (aOR, 1.16; 95%CI, 1.03-1.29), gestational diabetes mellitus (aOR, 2.10; 95% CI, 1.83-2.39), and postpartum hemorrhage (aOR, 1.27;95% CI, 1.14-1.41) all increased from 2007 to 2016. ConclusionTwin pregnancy outcomes have changed significantly in Korea over a recent 10-year period.
Abstract
ObjectiveThe aim of this study was to evaluate the changes in twin pregnancy outcomes between 2007 and 2016 in a Koreanpopulation. MethodsThe data for this nationwide population-based study was obtained from the national birth registry of the KoreanNational Statistical Office and the Health Insurance Review & Assessment Service of Korea. Women with twinpregnancies who gave birth between 2007 and 2016 were included. ResultsFrom 2007 to 2016, the rate of twin pregnancies increased (1.37% vs. 1.91%, respectively, P<0.0001). The risk ofpreterm birth (adjusted odds ratio [aOR], 1.77; 95% confidence interval [CI], 1.66-1.89) also increased; however, therisk of twin growth discordance (aOR, 0.90; 95% CI, 0.82-0.99) decreased. The risks of cesarean section (aOR, 1.16; 95%CI, 1.03-1.29), gestational diabetes mellitus (aOR, 2.10; 95% CI, 1.83-2.39), and postpartum hemorrhage (aOR, 1.27;95% CI, 1.14-1.41) all increased from 2007 to 2016. ConclusionTwin pregnancy outcomes have changed significantly in Korea over a recent 10-year period.
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