Delaware, Ohio (CNN) – Mitt Romney sought to clarify his position on abortion Wednesday, saying as president he would move "immediately" to de-fund Planned Parenthood.
Romney sparked controversy a day earlier when he told the Des Moines Register's editorial board that he was not aware of any abortion legislation that would become part of his presidential agenda.
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Democrats pounced, accusing Romney of moderating his position on the highly-charged issue.
During the primary campaign, Romney maintained he would support efforts to remove funding for Planned Parenthood, a women's health organization that provides abortion services. Several House Republicans have introduced legislation that would strip funding from the group.
On Wednesday, Romney said he would support removing the group's funding through the federal budget, which must be passed by Congress.
"I think I've said time and time again that I'm a pro-life candidate and I'll be a pro-life president," he said. "The actions I'll take immediately is to remove funding for Planned Parenthood. It will not be part of my budget."
In the interview on Tuesday, Romney said that he has no abortion-related legislation on his platform but that he would reinstate a policy banning nongovernmental organizations from using federal funds to provide abortions.
"There's no legislation with regards to abortion that I'm familiar with that would become part of my agenda," Romney said in an interview with The Des Moines Register.
"One thing I would change, however, which would be done by executive order, not by legislation, is that I'd reinstate the Mexico City policy which is that foreign aid dollars from the US would not be used to carry out abortion in other countries," he continued.
The policy has generally been implemented by Republican administrations and dropped by Democratic presidents. President Barack Obama rescinded it shortly after taking office in 2009.
Obama's campaign quickly accused Romney of "playing politics" with abortion as it continues to try to question his convictions on issues that helped him earn the Republican nomination but have shifted more to the center in the general election campaign.
After Romney's remarks were published online, Romney's campaign spokeswoman reiterated that he is opposed to abortion.
"Mitt Romney is proudly pro-life, and he will be a pro-life president," Andrea Saul said in a statement.
Earlier Tuesday, the conservative site National Review Online published a different statement from Saul: "Governor Romney would of course support legislation aimed at providing greater protections for life."
Obama's campaign said Romney's "statement contradicts his pledge to appoint Supreme Court justices who would overturn Roe v. Wade," the 1972 U.S. Supreme Court decision affirming a woman's right to have an abortion.
The Democratic National Committee pointed reporters to a June 2011 opinion piece published in the National Review Online in which the candidate identifies a piece of legislation for which he would advocate as president.
"I will advocate for and support a Pain-Capable Unborn Child Protection Act to protect unborn children who are capable of feeling pain from abortion," Romney wrote in the piece, headlined "My Pro-Life Pledge."
In that piece, Romney also expressed his support for overturning Roe v. Wade, disavowing federal funds from being spent on abortions, and said he would nominate judges in line with his views.
Obama campaign spokeswoman Lis Smith said in a statement, that "women simply can't trust (Romney)."
"It's troubling that Mitt Romney is so willing to play politics with such important issues. But we know the truth about where he stands on a woman's right to choose – he's said he'd be delighted to sign a bill banning all abortions, and called Roe v. Wade 'one of the darkest moments in Supreme Court history' while pledging to appoint Supreme Court justices who will overturn it," she said.
Romney has said that he would nominate for any Supreme Court vacancies candidates who would support overturning Roe v. Wade.
In campaign appearances and on his website, Romney has said he would "end federal funding for abortion advocates like Planned Parenthood" and specifically expressed his support for the Hyde Amendment, a 1976 measure which bans federal monies appropriated to the Health and Human Services Department from being used to fund abortions.
The candidate has been criticized for changing positions on the issue of abortion, dating back to his run for governor of Massachusetts.
"With regards to abortion, I changed my mind. With regards to abortion, I had the experience of coming in to office, running for governor, saying, you know, I'm going to keep the laws as they exist in the state," Romney said at a debate in Iowa on December 15.
"And they were pro-choice laws, so effectively I was pro-choice. Then I had a bill come to my desk that didn't just keep the laws as they were, but would have created new embryos for the purpose of destroying them. I studied it in some depth and concluded I simply could not sign on to take human life. I vetoed that bill."
Romney explained that he wrote an op-ed in The Boston Globe explaining his personal opposition to abortion.
The Republican candidate has this cycle expressed his opposition to abortion, with the exception of cases of rape.
Rape is not an exception in the Republican Party platform adopted in Tampa this summer, nor was it an exception Rep. Paul Ryan – who in August joined Romney's ticket – supported, though Ryan said he supports Romney's position on the issue.
The issue of abortion was briefly in the spotlight earlier this year when Rep. Todd Akin, a Missouri Republican seeking to unseat Democratic Sen. Claire McCaskill, made controversial comments about "legitimate rape."
He claimed in a television interview that "legitimate rape" rarely resulted in pregnancy, saying that "the female body has ways to try to shut that whole thing down."
Romney distanced himself from those comments and called for Akin to exit the race.