Can i be pregnant with pre?

Im 17 bout to turn 18... this might be a lil question i may know but i dont got nobody to talk to... i need your help plz help me... i had with my boyfriend on the 6 of this month he said he didnt *** inside me in other words he didnt *** at all only pre... but i been felling kinda diffrent like not me... im not sure if i maybe pregnant or not... its only been a week but i really need your help.. can i have become pregnant with pre??