Pregnant? im so worried

6 days a go i was in my boyfriends house and we were kissing and i started to touch his penis i thought i felt it wet but he said it was just no that it was just sweaty ..i took off my hand from his pants and 10 minutes later i went to the restroom to pee and then wiped i didnt feel or see anything in my had! then 3 days later i went to his house again and he jacked of in front of me but i got nowhere near the cuum..he ran to the restroom to clean it off his hands he then fingered me but i had my underwear on and my pants he did not touch the inside of my vagina...but then like an hour later i went to pee to the same restroom where he had gone to clean the cum is there any way that i can be pregnant cause i feel nauseous and my period had to come today! im really scared