I am 15 years old and i think i am having a pregnancy scare or that i could be pregnant. My last cycle was on July 28,2010 and i had sex on August 11, 2010, which was around the time that i was suppose to be ovulating. I did not use protection. In Sept. i started getting cramps thinking that my period was coming but it was a no show. I also had a lot of gas but i don't have a lot of gas anymore. Sometimes i get like this pain across my stomach but i don't know if that has anything to do with it. I get nauseated when i get out of bed in the morning sometimes and after i eat. Also i get bloated after i eat and it makes me look like i am 3 or 4 months. I feel very tired even when i have a good night of sleep or sometimes i just can't sleep at all. I took 3 test and on 1 i could see the line very clear and on the other 2 they were kind of faint but i could still see them in the positive area.