My boyfriend and i had unprotected sex for about 25 seconds on tuesday afternoon. He didnt cum in me he said he is 100% sure he didnt and i trust him. it was my first time. my period shouldve came on wednesday or thursday and it didnt. we are so scared that i could be pregnant. i took next choice wednesday night and the other dose thursday morning as directed. i really dont have any symptoms of pregnancy, Do you think i am pregnant? any help or anything would be appreciated