(CNN) - The Georgetown law student targeted by Rush Limbaugh for her position on contraceptives said Friday she was "upset and outraged" when she first heard the radio talk show host had called her a "slut."
"I felt probably the way many women do when they are called those types of names," Sandra Fluke told CNN. "Initially hurt and then very quickly upset and outraged because somebody is trying to silence you."
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Fluke, who advocated last week in a Democratic hearing for the Obama policy requiring employers provide free contraception coverage, said she was sitting at a computer Wednesday when she read online that Limbaugh had personally attacked her during his radio show.
Calling her a "slut" and "prostitute," Limbaugh has said if taxpayers are going to pay for women to have sex, then they should post videos of their activities so everyone can watch.
His comments have sparked a firestorm in the last two days, with Democrats seizing on it as an opportunity to keep the political story alive.
President Barack Obama called Fluke on Friday to offer his support.
"That wasn't on my schedule for the day," Fluke joked, referring to Obama's call. "But I was happy to add that to the schedule."
The law student told CNN she thinks Limbaugh was "confused" about her testimony.
"For starters, I didn't say that I should be paid for anything. What we were talking about is private insurance covering a medical need. It has nothing to do with the government paying for anything or taxpayers or anything like that," she said.
While Fluke attends a Jesuit university that does not cover contraception as part of its health insurance plans, the school's president defended Fluke on Friday.
Religiously-affiliated institutions, like Georgetown, oppose providing contraception.
While some Republicans argue abstinence as the best form of birth control, Fluke said legislation needs to be realistic.
"We're talking about national legislation. Legislation has to reflect reality, not ideology and I don't think that we can actually expect that American women are going to stop engaging in healthy sexual behaviors," Fluke said.
But the law student said women are not going to be "silenced" about the issue.
"They're going to speak up for health care needs and what this means to them and I'm certainly not going to be silenced," she said.