A nationwide recall on certain birth control pills was announced by the Food and Drug Administration.

According to WPRI 12, Lupin Pharmaceuticals Inc. said one lot of its Mibelas 24 Fe products were packaged improperly, so the first four days of tablets labeled as active pills are actually placebos. According to the FDA, the packaging error could result in unintended pregnancies.

The recalled product includes lot number L600518, Exp 05/18 of the oral contraceptive. Lupin is notifying its distributors and customers of the recall.

Consumers who have the recalled product should return it to the pharmacy and notify their doctor.

Lupin can be reached at 1-800-399-2561, 8 a.m. to 5 p.m. EST, Monday through Friday.