A randomised double-blind trial to determine the bleeding profile of the prolonged-release contraceptive dienogest 2 mg/ethinylestradiol 0.02 mg versus an immediate-release formulation of drospirenone 3 mg/ethinylestradiol 0.02 mg. - Biskupska-Bodova, Kristina; Sójka-Kupny, Joanna; Nyirády, Tamás; Burke, Anne E.; Angulo, Alicyoy; Regidor, Pedro Antonio (European Journal of Contraception & Reproductive Health Care, 2025)