It is the bottom line that they cannot agree on and why the two sides don't agree, otherwise people wouldn't be so passionate about it. They might agree to disagree at that point because there's no use, it's someone's opinion. Yeah, there is scientific evidence to back up both opinions, but even then people still won't agree with each other. I'm not saying there's no definite answer, there is a definite answer, but people don't have the means to prove what that is yet.
Im pro choice but i try not to argue on this point because you end up going in circles and nothing is accomplished for either side.
It's the most important thing in the debate.
There would be no debate if the pro murder gang would admit it, the mass murder of unborn would cease.