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Risk of stillbirth at term and optimum timing of delivery in uncomplicated south Asian singleton pregnancies

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dc.contributor.author Dias, T. en_US
dc.contributor.author Kumarasiri, S. en_US
dc.contributor.author Wanigasekara, R. en_US
dc.contributor.author Cooper, D. en_US
dc.contributor.author Batuwitage, C. en_US
dc.contributor.author Jayasinghe, L. en_US
dc.contributor.author Padeniya, T. en_US
dc.date.accessioned 2014-10-29T10:14:44Z
dc.date.available 2014-10-29T10:14:44Z
dc.date.issued 2014 en_US
dc.identifier.citation The Ceylon Medical Journal. 2014; 59(2): pp.54-8 en_US
dc.identifier.issn 0009-0875 (Print) en_US
dc.identifier.uri http://repository.kln.ac.lk/handle/123456789/2384
dc.description Indexed in MEDLINE
dc.description.abstract OBJECTIVES: Aims of this study were to compare the perinatal mortality rate and the prospective risk of stillbirth for each given gestational age and to ascertain whether it is safe to continue the pregnancy beyond 40 weeks of gestational age and induce labour at 41 weeks in low risk singleton pregnancies. METHODS: This was a retrospective study. The perinatal mortality and prospective risk were calculated per 1000 total births and 1000 on going pregnancies respectively in well dated singleton pregnancies. 38+0 to 39+6 gestational age was taken as the reference. RESULTS: A total of 12,595 deliveries after 28 weeks of gestation were included. The risk of stillbirth at 38+0 to 39+6 weeks was 1.43 (95% CI, 0.9 to 2.4) per 1000 on going pregnancies. The perinatal mortality rate at 38+0 to 39+6 weeks was 2.9 (95% CI, 1.9 to 4.5) per 1000 total births. The perinatal mortality rate decreased throughout gestation and it was lowest at 40+0 - 41+6. In contrast, risk of stillbirth increased with advancing gestation and peaked at 40+0 - 41+6 (2.57, 95% CI, 1.4 to 4.7). However, risk of stillbirth at 40+0 - 41+6 was not statistically different from 38+0 to 39+6 (OR 1.79, 95% CI, 0.80 to 3.98). To prevent one stillbirth, 886 pregnancies should be induced at 38+0 to 39+6. CONCLUSIONS: Risk of stillbirth is more informative than perinatal mortality at term. Frequent antenatal fetal surveillance should be adopted towardsterm in order to identify high risk pregnancies. Elective delivery before 40 weeks in low risk pregnancies is not justified
dc.publisher Sri Lanka Medical Association en_US
dc.subject Pregnancy Complications en_US
dc.title Risk of stillbirth at term and optimum timing of delivery in uncomplicated south Asian singleton pregnancies en_US
dc.type Article en_US
dc.identifier.department Obstetrics and Gynaecology en_US
dc.creator.corporateauthor Sri Lanka Medical Association en_US


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