The comments came in response to a question about the influence of religious conservatives on the GOP, according to a report. Video of Coleman's remark was captured by FeatureStoryNews.
Abortion has been front and center during the 2012 race for the White House. Coleman is an adviser to Romney, who has pledged to govern as a "pro-life president" and said he'd like to see the Supreme Court reverse Roe v. Wade.
The divisive 1973 decision gave American women abortion rights and is anathema to conservatives who believe life begins at conception.
For more on Coleman's comments, click here.