Help!

So I haven't tookemy.BC pills for a week due to insurance problems and the co pay,was to high even after a discount me andy bf had unprotected sex today and we did it like.2 time the first the.he pulled out hellit wasn't that much cum but he nutted on my butt SORRY FOR TMI AND the second time we just stopped becaise I couldn't c I'm concerned ebwn though he pulled out I'm still scared I don't want kids rn I'm only 17 and I think its more of am anxiety problem because I always act like this every time I have sec someone HELP ME