They hope that, over time, support for prohibiting most abortions after 20 weeks of pregnancy will become widespread.
Anti-abortion groups compare the issue to the fight over legislation halting partial-birth abortions, which was a victory for conservatives.

After being initially rejected by President Clinton, the legislation was ultimately signed by President George W. Bush and upheld by the Supreme Court in 2003.

“It will happen, no question. It will happen at some point,” Marjorie Dannenfelser, president of the anti-abortion Susan B. Anthony List, said about banning abortions at 20 weeks.