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Clustering of Twin Births in Space and Time

Published online by Cambridge University Press:  01 August 2014

Milada Zahálková
Milada Zahálková*
Affiliation:
Children's Hospital, National Health Institute, Brno, Czechoslovakia

Abstract

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Out of a total of 1025 twin births occurring in 11 South Moravian districts from 1972 to 1976, 638 occurred in the same time and space interval (P = 0.00037). The observed clustering suggests the existence of environmental factors influencing twinning rates.

Keywords

Twinning rateClusteringCzechoslovakia
Type
Session I: Incidence and Factors of Twinning
Information
Acta geneticae medicae et gemellologiae: twin research , Volume 28 , Issue 4 , October 1979 , pp. 259 - 260
Copyright
Copyright © The International Society for Twin Studies 1979

References

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