Dr. Monica Wehby, pediatric neurosurgeon, is among the Republican candidates turning up the emotions in campaign ads. Dave Killen/The Oregonian/Landov hide caption

itoggle caption Dave Killen/The Oregonian/Landov

Rep. Coya Knutson (D-Minn.), is shown shopping in a supermarket in 1955 following her demand to know why her fellow housewives remain saddled with high grocery bills while farm income continues to drop. Maurice Johnson/Bettmann/Corbis hide caption

itoggle caption Maurice Johnson/Bettmann/Corbis

Rep. Linda Sanchez, seen with her son, Joaquin, says balancing her duties as a mother and a member of Congress can be a struggle, but she's lucky to have the flexibility of being a boss. Courtesy of Linda Sanchez hide caption

itoggle caption Courtesy of Linda Sanchez

Rwandan President Paul Kagame takes part in a conference on the role of women at the nation's Parliament in the capital, Kigali, in 2010. Women in Rwanda account for 64 percent of the lower house of Parliament — a higher percentage than in any other country. Jason Straziuso/AP hide caption

itoggle caption Jason Straziuso/AP

Sen. Kirsten Gillibrand, D-N.Y., asks a question of a witness on Capitol Hill during a June 2013 committee hearing. Since her appointment in 2009, Gillibrand has become one of the Senate's top fundraisers. Susan Walsh/AP hide caption

itoggle caption Susan Walsh/AP

"We have allowed ourselves to be branded [in] a way I do not feel is representative of who we are as Republicans," says Rep. Cathy McMorris Rodgers, R-Wash., of her party's negative reputation on women's issues. Mark Wilson/Getty Images hide caption

itoggle caption Mark Wilson/Getty Images

Rep. Donna Edwards, D-Md., plays in the annual Congressional Women's Softball game in 2011. She says it's hard to get more women to run for office. Tom Williams/Roll Call/Getty Images hide caption

itoggle caption Tom Williams/Roll Call/Getty Images

Oregon Republican Senate candidate Monica Wehby, right, talks to supporter Marvin Hausman in Lake Oswego, Ore. Wehby has drawn national attention and money in her effort to win her party's nomination. Jonathan J. Cooper/AP hide caption

itoggle caption Jonathan J. Cooper/AP