What Happened
There’s a lot of research on the female pelvis, reason. The so-called “obstetrical dilemma”—why childbirth seems particularly difficult for humans compared to other mammals—involves a lot of questions about evolutionary trade-offs, the development of the upright gait, cranium size, and the female pelvis. The male pelvis, , has been relatively overlooked—until now. A new study published in Scientific Reports finds some fascinating evolutionary innovations that are unique to men’s pelvises.
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