Concerned Women for America aims “to bring Biblical principles into all levels of public policy.” Issues dealing with sanctity of life are among its core concerns. Penny Young Nance is chief executive officer and president.

Americans United for Life describes itself as “the first national pro-life organization in America.” Charmaine Yoest is president of the Chicago-based group.

The American Life League promotes anti-abortion legislation. Judie Brown is president and co-founder of the organization, which is based in Virginia.

The American Association of Pro-Life Obstetricians and Gynecologists and its 2,500 members and associates oppose abortion in general. Allan Sawyer serves as president.

A national director of Teen-Aid, a nonprofit organization started in 1981 to try to reduce teen pregnancies. The group, based in Spokane, Wash., believes the best method is abstinence education. Its Web site lists laws and statistics pertaining to sexuality, education and government funding for all 50 states.

“Voter’s Guide for Serious Catholics,” prepared by Catholic Answers Action.

A resource for abstinence educators at the junior high and high school levels.

“Voting With a Clear Conscience” by the Rev. Frank Pavone, head of Priests for Life, a vocal group in the Catholic campaign to end legal abortion.

Stephanie Ventura heads the reproductive statistics branch of the National Center for Health Statistics.