My period is late, but boyfriend's sperm didn't have contact with my vagina

Please help!!
My boyfriend fingerd me this weekend and a gave him a ha****b ans he had come,but didn't touches mY vagina at all. On my hand was some come,but I did not touch my vagina at all. My period olso didn't come,but it usally comes at the end of the month. But now I am one stress ball.
Can some help me?