hi, i am 17 years old and i dont know if i am pregnant, can u please help me? i have been feeling like i want to vomit everyday, i feel queasy, i feel very tired, very sleepy, ( i fall asleep everyday around 11:30 during class this has never happened to me), the last time i got my rag was on february 8th 2006 and it is now march 11th 2006 an no rag...could i be?