A 1-year prospective, open-label, single-arm, multicenter, phase 3 trial of the contraceptive efficacy and safety of the oral progestin-only pill drospirenone 4 mg using a 24/4-day regimen
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Objectives: To evaluate contraceptive effectiveness and safety of oral drospirenone 4 mg 24/4-day regimen in the United States. Study design: W... ...