The evolution of perennially enlarged breasts in women: a critical review and a novel hypothesis

  title={The evolution of perennially enlarged breasts in women: a critical review and a novel hypothesis},
  author={Bogusław Pawłowski and Agnieszka Żelaźniewicz},
  journal={Biological Reviews},
The possession of permanent, adipose breasts in women is a uniquely human trait that develops during puberty, well in advance of the first pregnancy. The adaptive role and developmental pattern of this breast morphology, unusual among primates, remains an unresolved conundrum. The evolutionary origins of this trait have been the focus of many hypotheses, which variously suggest that breasts are a product of sexual selection or of natural selection due to their putative role in assisting in… 
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