Rep. Todd Akin, R-Mo., says Rep. Paul Ryan, R-Wis., the GOP vice presidential candidate, asked him to end his Senate bid after recent comments he made referring to "legitimate rape." Jeff Roberson/AP hide caption

itoggle caption Jeff Roberson/AP

Rep. Todd Akin, R-Mo., and his wife Lulli, talk with reporters last Thursday at the Missouri State Fair in Sedalia, Mo. On Monday, Akin was resisting GOP calls to resign from his Senate race. Orlin Wagner/AP hide caption

itoggle caption Orlin Wagner/AP

Rep. Todd Akin, seen here in May 2011, said he "misspoke" when he said that pregnancy from rape is "really rare." The GOP congressman is challenging Sen. Claire McCaskill, D-Mo., in the race for the Senate seat. Jeff Roberson/AP hide caption

itoggle caption Jeff Roberson/AP