With 33 seats up for grabs on Tuesday, the composition of the U.S. Senate stands to add several female voices.
Of the 18 women vying to retain or gain spots, HuffPost Pollster data had incumbent Sens. Dianne Feinstein (D-Calif.), Debbie Stabenow (D-Mich.), Amy Klobuchar (D-Minn.), Claire McCaskill (D-Mo.), Kirsten Gillibrand (D-N.Y.), and Maria Cantwell (D-Wash.) all holding leads through Monday's polls. Challengers Elizabeth Emken (R-Calif.) and Wendy Long (R-N.Y.) are battling against Feinstein and Gillibrand, respectively, while Elizabeth Warren (D-Mass.) is looking to overtake incumbent Sen. Scott Brown (R).
As for Senate races with open seats, Linda McMahon (R-Conn.), state Sen. Cynthia Dill (D-Maine), state Sen. Deb Fischer (R-Neb.), Rep. Shelley Berkley (D-Nev.), Heidi Heitkamp (D-N.D.), former Rep. Heather Wilson (R-N.M.), and Rep. Tammy Baldwin (D-Wis.) are all fighting for their state's respective spots. Former Gov. Linda Lingle (R-Hawaii) and Rep. Mazie Hirono (D-Hawaii) are going head-to-head in the Aloha State, for the rights to retiring Sen. Daniel Akaka's seat.
Entering 2012's campaigns, 39 women have served in the U.S. Senate. Click through the slideshow to see who they are and when they were elected.
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