Assessment of Effects on Ovarian Activity of a Combined Oral Contraceptive Pill When Preceded by the Intake of ellaOne® or Placebo.
Conditions
Interventions
- DRUG: Ulipristal Acetate (UPA) + ethinylestradiol/levonorgestrel (Microgynon)
- DRUG: placebo + ethinylestradiol/levonorgestrel
Sponsor
HRA Pharma