ethinylestradiol AUC ↑ 1.22 (1.13-1.31) ethinylestradiol Cmin ↔ 1.09 (1.01-1.18) ethinylestradiol Cmax ↑ 1.33 (1.21-1.46) norethindrone AUC ↔ 0.95 (0.90-0.99) norethindrone Cmin ↓ 0.78 (0.68-0.90) norethindrone Cmax ↔ 1.05 (0.98-1.12) etravirine AUC ↔ a etravirine Cmin ↔ a etravirine Cmax ↔ a