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Racial Differences in Seasonal Variation in Election and Non-election Years in the Male to Female Ratio at Birth in the United States

DOI: 
10.7727/wimj.2016.204
Synopsis: 
United States births by gender and race (2003-13, n=45138496) were analysed. The male to female birth ratio varies seasonally. Seasonality may have been disturbed/reduced in most years due to chronic, socioeconomic stress.

ABSTRACTS

Objective: In humans, male births exceed female births. This ratio is conventionally expressed to M/F and is influenced by a large number of factors, including stress. This study was carried out in order to ascertain whether the known seasonal variation in M/F in the United States (peaking in June) is affected by the quadrennial elections (November), and whether any such influences vary by race.

Accepted: 
15 Jun, 2016
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e-Published: 29 Jun, 2016

Pre-published Manuscript

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In the pre-published stage, this manuscript may contain statements, opinions, and information that have errors in facts, figures, or interpretation. Any final changes in this manuscript will be made at the time of publication and will be reflected in the final electronic version of the issue. The editors and authors and their respective employees are not responsible or liable for the use of any such inaccurate or misleading data, opinion or information contained in the articles in this section.

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