Im 20 years old. I took the pill when i was 16 for about half a year and never had problems with it. I decided to start taking them again. On the 26th of December I started my period and immediately started taking my first pack of the pill. I had normal bloodflow for 3 days and since then I've been lightly bleeding. I'm afraid that the pills might not be strong enough for my body. Im sexually active. Is pregnancy possible in this situation? Is the bleeding normal? Is there a way to stop it?