Chromosome abnormalities and season of birth
- 1 January 1984
- journal article
- research article
- Published by Springer Nature in Human Genetics
- Vol. 65 (3), 221-231
- https://doi.org/10.1007/bf00286507
Abstract
Significant seasonal variation in birth was found for males with Klinefelter's syndrome born before 1946, but not for those born later, and not for any other sex chromosome abnormality. No significant monthly variation was found for any autosomal abnormality, except a significant increase in the frequency of conceptions for Down's syndrome during the first 4 months of the year, using a chi square with 2 degrees of freedom.Keywords
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