Compare Daily Ulipristal Acetate and Combined Oral Contraceptive Effects on Breast Epithelial Cell Proliferation
Status: COMPLETED
Study type: INTERVENTIONAL
Conditions: Contraception
Interventions: DRUG: Ulipristal Acetate|DRUG: Combined Oral Contraceptive Pill
Sponsor: Columbia University
Collaborators: Weill Medical College of Cornell University|Memorial Sloan Kettering Cancer Center