(CNN) – Rick Santorum backer Foster Friess apologized Friday for a now-viral comment he made Thursday about contraception.
"After listening to the segment ... I can understand how I confused people with the way I worded the joke and their taking offense is very understandable," Friess wrote in a blog post. "To all those who took my joke as modern day approach I deeply apologize and seek your forgiveness."
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His apology came after Republican presidential candidate Santorum distanced himself from the statement and women's advocacy groups criticized the billionaire mutual fund manager.
Friess joked Thursday that women used Bayer aspirin as birth control "back in (his) days."
"The gals put it between their knees, and it wasn't that costly," he said on MSNBC.
Later Thursday Friess, who has donated hundreds of thousands of dollars to a pro-Santroum super PAC, said it was a joke and suggesting aspirin as a form of contraception "is pretty ridiculous and quite funny."
Santorum said Friday he is not responsible for comments from a donor and accused the media of "gotcha politics."
"It was a bad joke, it was a stupid joke. It's not reflective of me or my record on this issue," Santorum said on CBS "This Morning." "This is the same gotcha politics that you get from the media and I'm just not going to play that game."
The former Pennsylvania senator's comments followed statements from Planned Parenthood and the National Organization for Women.
Planned Parenthood President Cecile Richards called birth control "basic health care," adding it is "not something to belittle on national TV."
And while Santorum called it "bad joke," he also said questioning over the issue represents a double standard from the media.
"With President Obama what you did was you went out and defended him against someone who he sat in a church for for 20 years and defended him that oh, he can't possibly believe what he listened to for 20 years," Santorum said referencing the controversial comments from Obama's former Rev. Jeremiah Wright. "It's a double standard, it's what you're pulling off and I'm going to call you on it."