I just saw Black Widow. Yelena and Natasha say they don’t have any ovaries because the Red Room surgically removed them. That means no estrogen. But those women have definitely been through puberty. If you don’t have any estrogen or testosterone, your bones get weak like a child’s bones. That’s no good for being a super assassin. And I don’t think the Black Widow is on testosterone injections. She’s not hairy enough for it. So is she taking estradiol pills?
You are aware they’re fictional characters, I hope?
I want to know if she takes fictional estrogen pills.
Considering the technology available in the Marvel universe she’s from, there might be a subdermal implant regulating that for her.
That’s just reinventing ovaries
But without overias she can have sex without risk of pregnancy.