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Twins: Are They at Risk? A Longitudinal Study of Twins and Nontwins from Birth to 18 Years of Age

Published online by Cambridge University Press:  01 August 2014

B. Alin Åkerman*
Affiliation:
Department of Special Education, Sweden
S. Fischbein
Affiliation:
Department of Educational Research, Stockholm Institute of Education, Sweden
*
Department of Special Education, Stockholm Institute of Education, S-100 26 Stockholm, Sweden

Abstract

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The purpose of this study has been a comparison of a group of twins (145 pairs) and a whole cohort of singletons (114,828 individuals) born 1953 and living in the Stockholm metropolitan area in 1963. The twins and singletons have been followed from birth onwards. A pertinent question is whether twins are at greater risk at birth and whether they are predisposed to below-average mental and physical growth. The results show that twins are more susceptible to lower birth weight, shorter gestation period and birth complications. These factors also seem to have a lasting effect on later physical and mental development. Monozygotic twins, twin girls, and male twins with low birth weight, seem to be particularly at risk for below-average mental and physical growth. An interaction between social background and birth weight can also be seen for the male twin group.

Type
Research Article
Copyright
Copyright © The International Society for Twin Studies 1991

References

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