Sen. Rand PaulRand PaulGOP rep: Trump has 'extra-constitutional' view of presidency The ignored question: What does the future Republican Party look like? Rand Paul skeptical about Romney as secretary of State MORE (R-Ky.) says he doesn't blame Hillary ClintonHillary Rodham ClintonFlynn's son spreads conspiracy theory about DC pizza shop This Week in Cybersecurity: Dems press for information on Russian hacks Armed man arrested at DC pizzeria targeted by conspiracy theory MORE for her husband's past infidelities, but argued that they undermine her commitment to women's rights.

"I don't blame Hillary Clinton at all for this. I don't think she's responsible for his behavior," the White House hopeful said at Fox News's GOP debate in Iowa on Thursday night.

"But I do think her position as promoting women's rights and fairness to women in the workplace, that if Bill ClintonBill ClintonWould Aretha Franklin perform at Trump inauguration? ‘Good question.’ Lieberman: Dems won't win with slide to left Dem blame game rages over Clinton loss MORE did, any CEO in our country did with an intern ... in their office, they would be fired. They would never be hired again," Paul said, referencing the then-president's affair with White House intern Monica Lewinsky.

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"She can't be a champion of women's rights at the same time she's got this that is always lurking out there, this type of behavior, so it's difficult," he added.

Paul also knocked the contributions the Clinton Foundation has accepted from nations with poor women's rights records

"I combine this also with the millions upon millions of dollars they've taken from regimes in the Middle East who treat women like cattle," he said.

This wasn’t the first time Paul has commented on the former president’s past infidelities. On Sunday, he accused Bill Clinton of “predatory" sexual behavior.

GOP front-runner Donald TrumpDonald TrumpGingrich defends Taiwan call: 'This is a democracy calling him' CNN's Van Jones to host Trump post-election special Evan McMullin: Trump's actions consistent with 'authoritarian playbook' MORE has repeatedly blasted former President Clinton’s past infidelities, calling him “one of the great woman abusers of all time.”

The real estate mogul has defended his remarks, saying Bill Clinton was fair game after Hillary Clinton accused the GOP front-runner of having a "penchant for sexism."