Yes and for other reasons too.
It was legal in some states under certain conditions like the mothers health etc but was made legal on demand up to a certain limit by that case.
Abortion is not permitted. In cases of rape or incest, every step necessary to prevent conception is permitted and encouraged.
Probably because the suffering of the girl/woman who's pregnant would be bigger then a fetus's. It would be adding a trauma on top of another and they had no part in getting pregnant.
in the United States it is. in many other countries it is not.
Same-Sex Discrimination and the Prop 8 Syndrome
Laurence Tribe on Rewriting the American Constitution
Laurence H. Tribe on Interpreting the Constitution
Laurence Tribe: Revision Makes Constitution Legitimate