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Fertility in Twins

Published online by Cambridge University Press:  01 August 2014

O. Steeno  and
R. Vlietinck
O. Steeno*
Affiliation:
Department of Internal Medicine, Division of Endocrinology, Nutrition and Andrology, University Hospitals, Leuven
R. Vlietinck
Affiliation:
Centre for Human Genetics, University of Leuven, Belgium
*
UZ-Gasthuisberg, Herestraat 49, B-3000 Leuven, Belgium

Abstract

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From the 474 twins born in 1950 in 100 Flemish cities and towns in Belgium, 85% reached the age of 20 yr, against 37% in Austria a hundred years ago. More female than male twins are married (P = 0.03), in particular nonidentical female twins (P = 0.02). Fertility seems to be lower in male, especially male-male twins (P < 0.03), and most strikingly so in identical male twins (P = 0.05). There seems to be no influence of premature birth or low birthweight.

Keywords

TwinsFertilityBirthweightDuration of gestation
Type
Research Article
Information
Acta geneticae medicae et gemellologiae: twin research , Volume 38 , Issue 1-2 , April 1989 , pp. 71 - 75
Copyright
Copyright © The International Society for Twin Studies 1989

References

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