Compared with other religious groups, Catholic women choosing abortion are more likely to be older and married—and most want to have children in the future.

"A child born alive following an abortion should receive the same degree of care to preserve her life and health as would be given to any other child born alive at the same gestational age," said Cardinal Dolan of New York.

Some students had reservations about politicians whose pro-life commitment was too narrow.

President Trump’s video appearance at the march culminates a year of pro-life appointments and administrative actions to limit abortions.

The primary problem is not with Mr. Trump’s past sins, it is that the policies he currently supports are inconsistent with his claim in his address today that “every life is sacred.”