Norma McCorvey sparked a landmark Supreme Court decision that states cannot restrict a woman's access to abortion.

On Saturday morning she will join controversial abortion rights foe Randall Terry at a Severn church nearly 36 years after Roe v. Wade, to help kick off a 40-day anti-abortion campaign.

"I realized that women were going to be able to go out and take the life of their children," McCorvey, who was identified as Jane Roe to protect her identity. "That was something that I was not proud of. That really toppled my world."

McCorvey, who became an abortion opponent in the mid '90s, will...