I have always had irregular periods.I took birth control pills for two years but since I moved out of the country I had to stop taking them. My last period was the second to last week in june, and from then on I stopped taking the pills. On July 13th I had unprotected sex, however, He didn't "let anything go". I didnt have a period for all of July and now its the second week of August and still no period. Im a little worried and not sure what to think. help? advice??