He has since clarified that he meant that "God creates life."
"Rape is a horrible thing, and for anyone to twist my words otherwise is absurd and sick," he said.
The Democratic Senatorial Campaign Committee did not release what the presidential numbers were in the poll, making it harder to judge how accurate it is. It will take a few days and some nonpartisan polling to see the long-term impact of Mourdock's comments, but the poll suggests that he may have done serious damage to his campaign.
The poll of 446 likely voters was conducted by the Democratic firm Anzalone Liszt Research from Oct. 24-25 and has a margin of error of plus or minus 4.6 percentage points.