There have been few issues more polarizing over the last few decades than abortion. Elections have been won and lost based upon a candidate's stance. People have died defending it and others have died attacking it.
The choice of whether abortion is a mother's choice or an offense to a(n) (insert whatever word you like here: infant, fetus, collection of non-sentient cells) will likely continue to be an issue for as long as women have (or don't have) babies.
This graphic by Pro Life tells one side of the story. Take a look and see if it matches your side.