Comparing Two Regimens for Medical Abortion: Mifepristone + Misoprostol Versus Misoprostol Alone

Inclusion Criteria: * Gestational age \< 63 days since LMP, confirmed by ultrasound or clinical assessment. * General good health including absence of conditions which contraindicate the use of mifepristone and misoprostol for pregnancy termination. * Agrees to return for follow-up visit and willing to provide an address and/or telephone number for purposes of follow-up. * Able to consent to study participation. Exclusion Criteria: * Gestational age \> 63 days LMP * Confirmed or suspected ectopic or molar pregnancy * Contraindications to medical abortion including intra-uterine device (IUD) in place (must be removed before procedure), chronic adrenal failure, concurrent long-term corticosteroid therapy, history of allergy to mifepristone, misoprostol or prostaglandin, hemorrhagic disorders or concurrent anticoagulant therapy, inherited porphyries.