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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

REFERENCES

1. Ederer, F, Myers, MH, Mantel, N (1964): A statistical problem in space and time: Do leukemia cases come in clusters? Biometrics 20:626–638.Google Scholar
2. Nylander, PPS (1978): Causes of high twinning frequencies in Nigeria. In Nance, WE (ed): “Twin Research: Biology and Epidemiology.” New York: Alan R. Liss, Inc., pp 35–43.Google Scholar
3. Pinkel, D, Nefzger, D (1959): Some epidemiological features of childhood leukemia in Buffalo, N.Y. area. Cancer 12:351–358.3.0.CO;2-7>CrossRefGoogle ScholarPubMed
4. Zahálková, M (1974): Multiple births in Southern Moravia. Acta Genet Med Gemellol (suppl) 22: 210–213.CrossRefGoogle ScholarPubMed
5. Zahálková, M, Preis, A (1970): Consanguineous marriages in diocesis of Brno, Czechoslovakia. I. Frequency and coefficient of inbreeding. Hum Genet 8:321–324.Google Scholar