A parasite depends on the good will of the organism it feeds on...
A fetus depends on the woman... if SHE decides she doesn't want IT, then out it goes...
I must say, my husband and I did look at the product of abortion after I aborted (first trimester) and it looked exactly like my period... So to say this is a HUMAN being is where your logics is flawed... It is a potential... An acorn is not a tree, neither is a fetus a person...
So because you got an abortion you cannot admit that its a life? I've seen people in road accidents that probably looked exactly like your period too, I guess nobody really died because they no longer LOOKED human.