hi im 18 years old and new to this i jus need some advise answers my last period was the 27th of jan 2010 and and now 3-1-10 and still no period i had sex a few days before and a day before my period and also the day before and every since on. it was off cuz i thought i was off and now i been feelin bloted sick head ach back ach very emotioal and irrated and tired my boobs hurt but not too much also lite headed dizzy naues and my bf dnt like how i been wit him when he want to get off the phone wit me i jus say his gonna go be wit another girl and jus not my self lately i havent told him wats goin on and so his kinda stressted to be wit me or not cuz he jus thinks that how im and not gonna stop and i dnt wanna lose him SOOO PLAZ HELP ME THANKS