Do some research on stress induced infertility in women.
It's not worth it. Childcare is an act of love.
Thinking nature can change biological setup is ridiculous.
Discussion
thats the point, reduce stress whatever, point is they can have greater roles in society than just raising kids, they should still raise the kids, thing is technology has relieved most home work, no need to vacuum, wash etc thats only going to get better, full humanoid robots will replace most manual work
we are evolving, we will change