why don’t breasts only form when you’re pregnant?

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basically like. why do women just have breasts all the time when to my knowledge the only purpose of them is to feed children. why don’t they go away like other mammals’ when you haven’t had a child.

In: Biology

23 Answers

Anonymous 0 Comments

The theory is due to our relatively higher ovulation cycle compared to other primates, the constant presence of breasts may have developed as an evolutionary advantage to signal fertility to potential mates. The fact that humans ovulate year-round when other primates tend to only ovulate once a year during optimal seasons such as spring or summer, can be seen as an evolutionary advantage we have over our other primate cousins.

This is also probably why women’s butts are constantly big, which is another trait that usually only happens when a female primate is ovulating. For baboons and chimpanzees I think, the female’s butt will swell and turn a bright red, which instinctively draws a male’s attention.

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