Sex-biased lactational duration in a human population and its reproductive costs

Abstract

We tested the proposition that among humans (1) differences in lactational duration result in differences in costs of reproduction even under rich nutritional conditions; and (2) elimination of factors postulated to favor male-biased parental care will be reflected in elimination or reversal of sex-biased care. To do so, we examined the relationship between… (More)
DOI: 10.1007/BF00172221

Topics

5 Figures and Tables