Where we want to end up is with artificial wombs because that will ultimately give individuals much more control over their reproduction and will do away with the onerous physiological and psychological stresses that pregnancy puts on women.
An extra-uterine system to physiologically support the extreme premature lamb https://news.ycombinator.com/item?id=14194422
We can now support extremely premature babies outside the womb, but as of now, the risks of growing a baby in an artificial womb is not overcome with the benefits.
Why?
Because you are trivialising the emotions of pregnancy and motherhood. It is not stress all the time, it is also joy and satisfaction and like everything in life, a roller coaster.