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Actress Elizabeth Banks is throwing her support behind President Obama in a new, highly personal video testimonial on the importance of federal funding for Planned Parenthood, something that Mitt Romney opposes.

Speaking directly to camera, Banks describes her reliance on the controversial network of health clinics as her primary care provider after she graduated from college without medical insurance. And she directly addressed critics who've tried to paint Planned Parenthood as solely focused on birth control and abortion.

"Yes I got birth control, but it was for my massive migraine headaches and my heavy flow," Banks says.

"Yeah, I'm on record saying I had a heavy flow. And unfortunately these are the types of things that I don't want to discuss with employers; I don't want to talk about that with my employer. That's between me and my doctor; and at the time my doctor happened to be with Planned Parenthood," she said.

Banks was alluding to a controversial requirement in the Affordable Care Act requiring employer health plans to cover contraception free of charge, even if the company's executives have religious objections.

See more celebrities that have picked sides in this year's election here.

Romney has called the measure an unconstitutional violation of religious freedom and vowed to repeal the law. He has also publicly pledged to end federal funding for Planned Parenthood.

"The services that they provide - what is it, 95 percent of them don't involve anything controversial. So, for that little 5 percent that Mitt Romney decides he doesn't agree with, he's going to take away cancer screenings? What is he doing? He's going to take away people's access to health care close by? We're talking about working class ladies that need access to health care," Banks says in the video.

The Romney campaign says the former governor does not oppose the use of birth control and disagrees with any attempt to ban contraception in the states.

Get more pure politics at ABC News.com/Politics and a lighter take on the news at OTUSNews.com