I am 21 , it's going to b almost 2 months that I hadn't had my periods. I had unprotected sex vid my bf and I took urine tests and the result came out to be negative.I don't have morning sickness, nausea, cravings or mood swings. Usually my periods r irregular, but now m worried n confused alot. Can u tell me what should I do. Is it just that m late on my periods as usual or m pregnant. Please help.???