am so worried can i be pregnant?

well first am a virgin and a month ago i gave my bf a hand job and am nt sure if there were semen on my hands.. then i got home and i was a little drunk i actually forgot what happened, i changed my clothes and sat on the laptop i put hand cream on my hands out of habit because i always do that before going to sleep then i went to the bathroom sudenlly i rememberd the whole hand job thing and i wased my hands with soap very well and dried them with a towel then i peed and wiped my vigina with a T.P can i get pregnant from the T.P and my hands!! and i got my period like 4 days ago and its very light not like usual and didnt last more than 4 days it always last for 6 days am i being too stupid to consider pregnancy..?! am just too worried