Renowned liberal author and journalist Christopher Hitchens understood (if only partially) the realities of abortion. Hitchens was an avowed atheist. I am a lifelong agnostic. Hitchens was and I am informed on this matter solely by science (and a secular sense of morality).
Click here for more of my views on this subject.
Click here for the best dissenting opinion on Roe v Wade.
Contrary to popular misconception, repealing Roe v Wade would ONLY serve to return to the duly elected individual state legislatures the Constitutionally guaranteed power to decide how best to deal with abortion. Roe v Wade was the single most egregious and utterly unconstitutional abuse of power ever perpetrated by the Supreme Court. The net result has been a level of feticide which -- quantitatively -- makes the Nazi Holocaust pale by comparison.