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Planned Parenthood is launching a coordinated on-air and digital ad campaign Thursday for Hillary Clinton in Nevada

The support comes at a critical juncture for Clinton

Washington CNN —  

Planned Parenthood is mounting an advertising campaign in Nevada Wednesday on behalf of Hillary Clinton, as the former secretary of state vies for support ahead of Saturday’s caucuses.

The group will air three spots featuring three women talking for 15 seconds each about why they support Clinton. Planned Parenthood never mentions Clinton’s Democratic rival Bernie Sanders by name.

Sanders took heat last month after he dismissed Planned Parenthood’s endorsement of Clinton as “the establishment” supporting its own. Shortly after his comment, he began citing his support for Planned Parenthood more often on the campaign trail and also highlighted the 43rd anniversary of the Roe v. Wade decision.

“There’s only one candidate in this race who has been an outspoken champion for women’s health and rights for decades – and who has a real plan to not just protect the progress we’ve made, but to keep expanding women’s access to basic health care,” said Deirdre Schifeling, executive director of the Planned Parenthood Action Fund, in a statement to CNN.

The ads, which were provided first to CNN, feature a white woman who was a former Planned Parenthood patient, an African-American woman who is a Planned Parenthood community health educator in Nevada and a second-generation Mexican-American woman.

“Remember, there’s a lot at stake in this election. Hillary Clinton is a champion for women’s health care. That’s why Planned Parenthood Action Fund has endorsed her,” says Reyna, a Mexican-American single mother, in one of the ads.

Clinton is just barely leading Sanders, 48%-47% in Nevada, with just three days until the caucuses, according to a CNN/ORC poll released Wednesday morning.

It’s a marked difference from the last CNN/ORC poll of Nevada, taken in October, which showed Clinton leading Sanders 50%-34%. But the latest poll also shows that roughly one-third of likely Nevada caucusgoers has made their final decision between the two.

Sanders has done well among younger women in both Iowa and New Hampshire, according to exit polling in both contests, forcing the Clinton campaign and their supporters to focus on shoring up her support there.

RELATED: Clinton shows weakness among women

But Clinton has continued to do well among non-white voters, who figure more prominently in both the Nevada and South Carolina contests. The latest Nevada poll found Clinton leading Sanders 56%-43% among non-white voters. And a CNN/ORC poll of South Carolina Democrats found Clinton’s “firewall” holding strong with the support of black voters, who back her over Sanders 65%-28% and women, who support her over Sanders 60%-33%.