Surprisingly long-lived wild female chimps go through menopause

Female chimps living in an East African forest experience menopause and then survive years, even decades, after becoming biologically unable to reproduce.

The apes are the first known examples of wild, nonhuman primates to go through the fertility-squelching hormonal changes and live well beyond their reproductive years.

The finding raises new questions about how menopause evolved, UCLA evolutionary anthropologist Brian Wood and colleagues conclude in the Oct. 27 Science.

Until now, females who experience menopause and keep living for years have been documented only in humans and five whale species. It’s unclear what evolutionary benefit exists to explain such longevity past the point of being able to give birth

→ Continue reading at Science News

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