Of course they do. Your claim is that for some reason we need a Constitutional Amendment to stop abortion. But in the case of bad law all you have to do is legislatively strike down the law.
The forces of death and their accomplices are constantly trying to set the highest bars for us, ones that we in no way need to cross to do what the Founders said is the primary reason for being of government.
So why are you trying to crawl under the bar? Why not just set a different bar for THEM to have to jump over?