Birth control is how you avert pregnancy prior to its beginning. There are number of different methods, but two of them are birth control pill and Vaginal birth control ring, which work really well and are easy to use. What is birth control pill? Oral birth controls are a kind of drug with hormones that you take daily to avert pregnancy. There are number of different brands of pills. People buy birth control pill as it is affordable, safe, and effective if you always take it on time. Other than preventing pregnancy, the drug has lots of other health benefits, too. How is pregnancy prevented by birth control pills?