Humans aren't actually the only monkeys with birth issues due to skull size vs. birth canal size. The smaller ones have issues too. Humans however seem uniquely troubled due to broad shoulders as well, requiring twisting during birth. https://obgyn.onlinelibrary.wiley.com/doi/full/10.1046/j.1471-0528.2002.00010.x …pic.twitter.com/TGZ6iGCz8Q
2:59 PM - 2 Apr 2018
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