We Had Dry humping can she get pregnent?

im 18 and this morning me and my girlfriend where dry humping, But before she came i masterbated but didnt wash it i clean it with a paper towel. when she came she started graving me so she put down her pants and so did i and i put my penis between her legs not inside and started humping my penis was kind of wet but not really wet my penis was between her legs and touching her vigina can she get pregnet i scared that the after come could of touched her vagina and she could get pregnet.