The "what if you regret it later" argument is so fucking stupid. If that's the logic, make tattoos illegal, because "you'll regret it later" is the most common thing people say about tattoos, too.
It's their fucking body, and they will be their own regrets to deal with if they have them.
You do not need your uterus to live.
We would never force a man to keep a diseased organ in his body because of what a hypothetical future wife might want.
The culture must change. We need full autonomy and equality, and we need it now.