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BEHAVIOURAL AND BIOLOGICAL DETERMINANTS OF HUMAN SEX RATIO AT BIRTH

3 Jun 2010

Abstract excerpt

The human sex ratio SR (proportion male) at birth has been reported to vary with many variables. The explanation of this variation is not established, but I have hypothesized that it is partially caused by the hormonal concentrations of both parents around the time of conception. The present note suggests how this hypothesis might accommodate recent sex ratio findings relating to 'psychosexual restriction',...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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PMID: 20519063
DOI: 10.1017/s002193201000012x

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