Fig. 2From: A comparison of combined oral contraceptives containing chlormadinone acetate versus drospirenone for the treatment of acne and dysmenorrhea: a randomized trialMean percentage reduction in total acne lesion counts (a), comedones (b), and papules (c) after 1, 3 and 6 months of treatment with EE/CMA or EE/DRSPBack to article page