Has the abortion issue revolved too much around pure emotions and sentiment ?

I'm not sure how you keep emotions out of the picture when a sizable percent of the population thinks that we're literally killing babies. That's going to tend to evoke some emotions.

Yes, because there is nothing more anti-science than the left wing position that a growing human fetus is not alive nor human

Yes.

Former Democrat, who is now pro-life except in cases of rape, incest, etc.