Senator Kirsten Gillibrand (D-New York) and Representative Stephanie Herseth Sandlin (D-South Dakota) are part of a "new dynamic for women in politics" - both have given birth while serving in Congress.
Herseth Sandlin is only the seventh lawmaker in U.S. history to give birth while serving in Congress. Gillibrand was the sixth.Later this month, Linda Sanchez (D-California) is due to give birth, which will make her the eighth woman to do so while serving.
It's a relatively new dynamic for women in politics, because most used to take the path followed by House Speaker Nancy Pelosi, D-California -- have children first, then run for office.
But during the past several years, there has been a concerted effort in both parties to recruit younger women.
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"To have new moms in the House is really a dream come true," said Pelosi during a recent news conference."It's a real message to working moms and young moms across America that someone who shares their experience and their aspirations for their children is a voice for them in the Congress."