The reason religion is so powerful

[John 6IX Breezy]

Nope, one is the choice to kick out a foreign [emphasis added] entity from inside  YOUR BODY 

Your argument is androcentric—calling embryos foreign entities undermines that pregnancy is a part of womanhood. Such a perspective only emerges if you view men as the default gender, since the only way for entities to be inside men is if they're foreign.