anatomical, and I had this example in mind: > The size of the neonatal skull is large relative to the dimensions of the birth canal in the female pelvis. This

anatomical, and I had this example in mind: > The size of the neonatal skull is large relative to the dimensions of the birth canal in the female pelvis. This is the reason why childbirth is slower and more difficult in humans than in most other primates. https://www.sciencedaily.com/releases/2015/04/150422104244.htm https://www.sciencedaily.com/releases/2015/04/150422104244.h... https://en.wikipedia.org/wiki/Obstetrical_dilemma https://en.wikipedia.org/wiki/Obstetrical_dilemma