Breast asymmetry, sexual selection, and human reproductive success

  title={Breast asymmetry, sexual selection, and human reproductive success},
  author={Anders Pape M{\o}ller and Manuel Soler and Randy Thornhill},
Breasts of human females are large compared to those of closely related primate species, and they can thus be hypothesized recently or currently to have been subject to directional sexual selection. Here we show that (1) large breasts have higher levels of fluctuating asymmetry than small breasts, (2) breast fluctuating asymmetry is higher in women without children than in women with at least one child, (3) breast fluctuating symmetry is a reliable predictor of age-independent fecundity, and (4… CONTINUE READING

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