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Human childbirth is not uniquely difficult relative to other mammals

Human birth has a reputation for danger. The usual explanation is simple enough: walking upright narrowed the pelvis, while ...
Science Daily

Birth: It's a tight squeeze for chimpanzees, too

According to a new study, chimpanzees, like humans, must contend with a confined bony birth canal when giving birth. In humans, the problem was exacerbated by our unique form of upright walking since ...
Phys.org

Study shows birth is a tight squeeze for chimpanzees, too

According to a new study, chimpanzees, like humans, must contend with a confined bony birth canal when giving birth. In humans, the problem is exacerbated by our unique form of upright walking, since ...
AOL

Human childbirth is not uniquely difficult relative to other mammals

Difficult birth has been recorded in species that seem, at first glance, to have little in common with humans. Even whales and dolphins show obstructed births, despite lacking a fully formed bony ...