im scared and so is my girlfriend, we experienced a dry hump for the first time and some of the sperm had leaked through my boxers and onto her trackies. she was however also wearing a pad and undies obviously underneath. is there any chance of pregnancy? please it is giving us much frustration and concern since we are still young. also it was her last day of her monthlys, will this have any negative affect? please if anyone can help and clear our minds it would be most appreciated