"ROMNEY: “I believe that abortion should be safe and legal in this country. I believe that since Roe v. Wade has been the law for 20 years, that we should sustain and support it. And I sustain and support that law and the right of a woman to make that choice.”"Of course he doesn't support that position now. He was lying back then. You can't find his position on his website (though they will ask for money) but he was lying when he said the above, because while he was governor in 2005 he vetoed a birth control law that would have allowed the "morning after pill" to be legal.
The website About Mitt Romney gives us the contents of his veto message:
"To the Honorable Senate and House of Representatives:
"... To those who believe that life begins at conception, the morning-after pill can destroy the human life that was created at the moment of fertilization.http://2012.talkingpointsmemo.com/2012/09/ghost-of-ted-kennedy-haunts-mitt-romney-at-dnc-video.php?ref=fpa
Boston Globe - A letter to legislators on the veto (July 26, 2005)