A survey from Women's Voices Women Vote shows that unmarried women are the least likely to vote. My experiences teaching ENG 101 go along with this. For the argument paper, I no longer ask students which issues affect how they vote because so many answer, "Uh, I've never voted." (Partially why they keep raising tuition but that's another post.)
The daughters of Kerry, Edwards, Cheney, and Lieberman all worked together in NYC to urge women to get to the polls. The following might also help:
In 1996, North Carolina state representative Henry Aldridge fought against providing funds to allow women to have abortions after a rape, saying "People who are raped, who are truly raped, the juices don't flow, the body functions don't work, and they don't get pregnant."
Aldridge was successful-- funds were cut from $1.2 million to $50,000. He was later appointed as co-chair of the North Carolina House Committee on Human Resources, overseeing aid to poor families, day care services, and of course abortion funding.
Vote twice if you have to.