Natural selection and birthweight

Author: Jones N.  

Publisher: Informa Healthcare

ISSN: 1464-5033

Source: Annals of Human Biology, Vol.5, Iss.5, 1978-09, pp. : 487-489

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Abstract

Mean birthweight, even before induced births became commonplace, is slightly lower than the birthweight at which perinatal mortality is lowest. This finding, once hard to explain by natural selection, is shown to be exactly in line with predictions from natural selection theory.