“The communities most impacted are those who are undocumented, those who live in rural communities with very little resources, immigrant communities where language barriers are present for them, low income communities, and individuals who are facing other intersecting issues,” said Eloisa Lopez, executive director of the nonprofit abortion rights group Pro-Choice Arizona.

Many U.S. women are crossing the border to access the abortive drug misoprostol, which is sold over-the-counter in…