My boyfriend and I had sex for the first time a few months ago and he didn't have a condom on be use he is too young to buy any where I live. But anyways I have missed both of my periods since we had sex and for the past week I have not been feeling well in the mornings and I threw up a few days ago I have been missing school all this week so far because of how badly I feel in the mornings. Please answer with details, and if you have any suggestions please tell me.