Aviane is a combination oral contraceptive pill that prevents pregnancy. Aviane comes in a tablet containing levonorgestrel and ethanol estradiol, and must be taken once daily for 21 consecutive days. For the following seven days, you can either take an inactive reminder pill at the same time you would take your regular pill, or you can stop taking your pills for seven days. Common name: levonorgestrel and ethinyl estradiol.