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Longitudinal Study: LSAC
Title: Higher parental perceptions of wealth associated with the birth of more sons in an Australian population
Authors: O'Donnell, M.H.
Behie, A.M. 
Publication Date: 20-Sep-2017
Pages: 569 - 572
Keywords: offspring sex
parental wealth
Abstract: Many industrialized nations are currently experiencing a decline in average secondary sex ratio (SSR) resulting in fewer boys being born relative to girls. While many potential factors may explain the decline in the birth of males relative to females, it seems most studies support the idea that male offspring are produced less often when environmental conditions are poor owing to males being more susceptible to loss in harsh environments. This study investigates the maternal factors that are associated with the sex of offspring in a cohort of the Australian population. It found that greater parental perceptions of wealth were significantly associated with an increase in the number of sons produced. These results suggest that male offspring are born at increased numbers to women with higher available resources, which may reflect the fact that male offspring are more vulnerable in poor environments.
Keywords: Finance -- Wealth; Families -- Fertility; Gender -- Male
Research collection: Journal Articles
Appears in Collections:Journal Articles

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