Literature DB >> 10451858

Sex ratios at birth and environmental temperatures.

A Lerchl1.   

Abstract

The relationship between average monthly air temperature and sex ratios at birth (SRB) was analyzed for children born in Germany during the period 1946-1995. Both the absolute temperature and--more markedly--the monthly temperature deviations from the overall mean were significantly positively correlated with the SRB (P < 0.01) when temperatures were time-lagged against the SRB data by -10 or -11 months. It is concluded that the sex of the offspring is partially determined by environmental temperatures prior to conception.

Entities:  

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Year:  1999        PMID： 10451858     DOI： 10.1007/s001140050630

Source DB:  PubMed          Journal:  Naturwissenschaften        ISSN： 0028-1042


  6 in total

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5.  Whatever the weather: ambient temperature does not influence the proportion of males born in New Zealand.

Authors:  Barnaby J Dixson; John Haywood; Philip J Lester; Diane K Ormsby
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6.  Effects of elevated ambient temperature on reproductive outcomes and offspring growth depend on exposure time.

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  6 in total

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