Birth control pills almost work perfectly to prevent pregnancy, but they may sometimes fail to prevent the inevitable. There is always 1-2% chance of becoming pregnant even after taking birth control pills. When this happens, you will experience some signs and symptoms. The most obvious sign in all cases is a missed period. Keep reading to learn more about how to tell if you are pregnant even after using birth control.10 Signs of Pregnancy on Birth ControlAs mentioned, you will miss your period if you are pregnant. The problem is that if you are already using some birth control method, your period may not be that regular. Sometimes, you may have period that are so light that they feel like implantation bleeding. It means that if you are using birth control, a missed period is not always the most reliable way to tell if you're pregnant.1. ExhaustionDo you take enough sleep and still find yourself tired and exhausted throughout the day? It could be because you are pregnant. Your body beg...