eh, pregnancy tests are $10 or less in most areas. Get one for your gal to be sure, and next time COVER YOUR COCK! I know it feels good, but until she's on birth control and you both have clean STD tests, condoms are great!
Its just a little precum, I mean so its a little sticky, has a few little buddies in it how bad can it be, lol just kidding, that is sadly how alot of oopsies happen.