Im 19 and im seeing a guy whos 31 and im scared im pregnant, im on the pill but i forgot to take it one day i think it was the 18th of this month and we didnt use protection for the next week and he ejaculated in me this was the 20th and my period is now about 4-5 days late ive been feelin quite nauseas during the day and geting a mild stomach cramp now and again during the day also ive been going to the toilet more often,also ive been feelin rele wiped out and restles like i cant get comfy and really hot....could these be signs and could it be to early to find out if i am??as im getting a bit worried