The contribution of twins to perinatal mortality in Jamaica

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Abstract
Summary. The Jamaican Perinatal Mortality Survey collected data that have been used in this paper to estimate: (1) the rate of multiple deliveries on the island; (2) the way in which this varies with demographic features; and (3) the causes of perinatal mortality among twins on the island. The survey consisted of two phases: a study of all births in the months of September and October 1986 (the cohort months) and a study of all perinatal deaths in the 12 months from 1 September 1986 to 31 August 1987. Among the 10408 pregnancies in the cohort months, 99(1.0%) were multiple pregnancies. The twinning rate showed statistically significant trends with maternal age and parity but no association with social factors. Among the 2020 perinatal deaths occurring in the 12‐month period, 173 (8.6%) were twins, with particularly high contribution to the Wigglesworth group ‘deaths from immaturity’. Mortality rate of twins was significantly lower if mothers resided in areas where there were good obstetric and paediatric facilities.

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