1. Must agree to undergo two medically supervised pregnancy tests prior to starting study therapy with either Rd or MPT. The first pregnancy test will be performed within 10-14 days prior to the start of Rd or MPT and the second pregnancy test will be performed within 24 hours prior to the start of Rd or MPT. She must also agree to ongoing pregnancy testing during the course of the study and after the end of study therapy. This applies even if the patient practices complete and continued sexual abstinence.