The finite reproductive window in women, characterized by cyclical hormone fluctuations, is evolutionarily linked to the ability to reproduce.

“is it safe to say at the risk of oversimplifying the reason it seems that women only experienced this during a finite period of their life is that's kind of when evolution wanted women to be able to reproduce without this cycle of rising estrogen progesterone falling levels women wouldn't be able to reproduce is the risk of oversimplifying is that a fair statement of why they have we have this finite window finite window during which time women have these hormones versus men who have kind of you know men have a much more gradual decline in their reproductive hormones”