IVF often involves the creation of far more embryos than will be carried to term. The remaining embryos are frozen and could be discarded or used in stem cell research.
As polls show Mitt Romney poised to win the Florida primary, some are questioning his wisdom in seeking the advice of a climate scientist who wrote in favor of compulsory abortion for American women.
In the heavily evangelical state, the issues of religious freedom, family, abstinence education, and the rights of the unborn provided many of the forum's highlights.
Gingrich has introduced an ad questioning Romney's pro-life stance after a series of attacks on Romney's history with Bain Capital failed to win him wider support.
Queried by Stephanopoulous, Romney said, “In my view, Roe v. Wade was improperly decided.” Santorum, too, said, “I am for overturning Roe versus Wade.”