The FDA’s power to approve drugs faces sweeping challenge in lawsuit seeking to pull abortion pill from U.S. market

The Food and Drug Administration is squaring off with anti-abortion physicians in an unprecedented legal challenge to its more than two-decade-old approval of a pill used to terminate early pregnancies.

The Alliance for Hippocratic Medicine asked a federal district court in Dallas late last year to declare the FDA approval unlawful and completely remove the abortion pill from the U.S. market.

The case has thrust the FDA in the middle of the fierce national battle over abortion access in the wake of the Supreme Court’s decision to overturn Roe v....