I read an article with Oona King's surrogate today where she stated that Oona told her that 'she felt lucky as she didn't have to be the one to push it out'.
I'm childfree, but have read on here what childbirth and pregnancy does to your body, even when it goes well-- and the long lasting effects of when it goes wrong.
I think the only biological benefit for women is a reduced risk of cancer from breastfeeding?
So if you could still have your children but not have had to carry & deliver them yourself, would you? And as we've already suspended disbelief once, let's say you could feed them breast milk as well.