| Common Name: | LEVONORGESTREL-ETHINYL ESTRAD | |
| Strengths | 21 28 | |
| Description: | ||
| Alesse is a combination birth control pill used to prevent pregnancy. The ingredients of this medication work by preventing ovulation (the release of an egg from an ovary) and causing changes in the mucus of the cervix, which make it difficult for sperm to penetrate and for an egg to implant. | ||