RU-486 Suspension and Review Act of 2003 - Deems the approved application for the drug mifepristone (marketed as Mifeprex, commonly known as RU-486, and used for the chemically induced termination of intrauterine pregnancy) to have been suspended.
Directs the Comptroller General to review and report on the process by which the Food and Drug Administration (FDA) approved mifepristone. Provides for the contingent reinstatement of such drug if the report determines the approval to have been in accordance with the Federal Food, Drug, and Cosmetic Act.