the Dutch are officially the tallest ‘race’ in the world but their babies are not any bigger than those of other Western populations. Not surprisingly, therefore, they have a very low level of obstetric complication because the proportionately larger Dutch female pelvis has not needed to adapt to ensure the safe passage of the baby. Women from other groups who are smaller in stature but deliver babies of the same size are believed to exhibit greater levels of sexual dimorphism in the pelvis as nature has sought to find a shape that will safely accommodate childbirth. This research tells us
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