The Republican Party has launched a war on women, Sen. Barbara Boxer Barbara Levy BoxerThe Hill's Morning Report - Presented by Facebook - Biden, Harris launch Trump offensive in first joint appearance Bottom line Polls show big bounce to Biden ahead of Super Tuesday MORE (D-Calif.) said Tuesday, flanked by five of her female Senate colleagues at a fundraiser for Democratic female candidates.

Republican efforts to curtail family planning and infertility treatment, and to repeal clean air regulations that protect pregnant women and others, have created a dire need for a stronger voice in the Senate representing women's needs, Boxer told donors for EMILY's List, a PAC that supports Democratic women who favor abortion rights.

"The best way to fight back in this war is to elect more women, and these women have stepped up to the plate," she said.

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Boxer spoke to a few hundred supporters who packed a chic Washington art gallery Tuesday for a fundraiser for Senate candidates endorsed by the liberal group.

At her side were major forces in the Democratic party and female senators up for reelection in 2012, including Sens. Debbie Stabenow Deborah (Debbie) Ann StabenowSunday Shows: Trump's court pick dominates Booker says he will ask Amy Coney Barrett if she will recuse herself from presidential election-related cases Schumer says Trump tweet shows court pick meant to kill off ObamaCare MORE (Mich.), Maria Cantwell Maria Elaine CantwellHillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Key Democrat opposes GOP Section 230 subpoena for Facebook, Twitter, Google Hillicon Valley: Zuckerberg acknowledges failure to take down Kenosha military group despite warnings | Election officials push back against concerns over mail-in voting, drop boxes MORE (Wash.), Amy Klobuchar Amy Klobuchar3 reasons why Biden is misreading the politics of court packing Social media platforms put muscle into National Voter Registration Day Battle lines drawn on precedent in Supreme Court fight MORE (Minn.), Claire McCaskill Claire Conner McCaskillThe Hill's 12:30 Report - Sponsored by The Air Line Pilots Association - Judge Amy Coney Barrett makes the rounds on Capitol Hill The Hill's Morning Report - Sponsored by JobsOhio - Showdown: Trump-Biden debate likely to be nasty Senate Democrats want to avoid Kavanaugh 2.0 MORE (Mo.) and Kirsten Gillibrand Kirsten GillibrandMeeting Trump Supreme Court pick a bridge too far for some Democrats Sunday shows preview: Lawmakers prepare for SCOTUS confirmation hearings before election Sunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election MORE (N.Y.). Sen. Charles Schumer Chuck SchumerFirst woman sentenced for her role in Nxivm sex cult Ocasio-Cortez calls Trump a 'white supremacist' after debate Democrats rip Trump for not condemning white supremacists, Proud Boys at debate MORE (N.Y.), the No. 3 Democrat in the Senate, also made an appearance.

"We're in a world of hurt right now. Karl Rove's group came in, and they're going to come in against all of these women," Boxer said, decrying the unflattering photos outside groups unearth for their attack ads. "I kept my grandchildren away from the television. 'Oh, my grandmother is so ugly.' "

Of the 12 Democratic women serving in the Senate, half are up for reelection, but when new recruits are included, 2012 will feature the most Democratic women running for the Senate in U.S. history, said EMILY's List President Stephanie Schriock. She said the PAC has set a new record for number of donors and members supporting the organization.

EMILY's List has already launched aggressive fundraising and advocacy efforts on behalf of both House and Senate candidates it has endorsed for the 2012 cycle. The group has poured major dollars into the campaign of Elizabeth Warren Elizabeth WarrenWarren slams Trump over Proud Boys comments Ocasio-Cortez, Warren pull out of New Yorker Festival amid labor dispute The Hill's Morning Report - Fight night: Trump, Biden hurl insults in nasty debate MORE, and signaled its intention on Monday to start airing ads in Massachusetts to boost her Senate candidacy.

The group has also taken a prominent role in supporting Suzanne Bonamici Suzanne Marie BonamiciOVERNIGHT ENERGY: House passes sweeping clean energy bill | Pebble Mine CEO resigns over secretly recorded comments about government officials | Corporations roll out climate goals amid growing pressure to deliver Pelosi, Blumenaur condemn 'egregious abuses of power' by Trump against Oregon protestors Federal agents deployed to Portland did not have training in riot control: NYT MORE, the Democratic nominee in a special House race in Oregon coming up in January. On the Senate side, the PAC is lending its support to Democratic Reps. Tammy Baldwin Tammy Suzanne BaldwinSenators introduce bipartisan bill to mandate digital apps disclose country of origin Keep teachers in the classroom Cher raised million for Biden campaign at LGBTQ-themed fundraiser MORE (Wis.) and Shelley Berkley (Nev.). Both are making runs for the upper chamber and joined Boxer and others Tuesday for the fundraiser.

The Susan B. Anthony List, a group that supports candidates who oppose abortion, has made clear it plans to push the opposite agenda in the upcoming elections. The group rolled out its first slate of House endorsements for the cycle on Tuesday.