Hi, I am 21 years old. I was on birth control. I stopped the birth control in Jan because of an infection. My period came regular then. Now in Feb, my period was supposed to start on the 9th. It didnt start until the 12th and ended on the 14th. It was extremely light. And after that, I didnt get any more signs of bleeding or anything. I have been having unprotected sex. Is this a sign of pregnancy? Thanks