There is historical precedent that your assumptions are not the case. Assumptions are deadly if you use them to ignore the world around you.
And it's not like there are great systems in place to support babies given up for adoption, even if that was what happened.
No, I don't see fetuses as babies, I feel no moral stress whatsoever in supporting abortion rights. But that is a different point. You were casually claiming adoption as a solution even though it requires thousands of times more effort from a society that currently refuses to provide that effort.
And this is an internet comment, not a research paper, google it. There is so much data on this shit, I'm not gunna spoon feed it to a stranger just because I point out something they said is BS.