So Me And My Girlfriend Were Having Sex. I Was

So me and my girlfriend were having sex. I was wearing a condom and then I cum inside, but only for a split second I pulled out and release out of it. I came to realize that the condom ripped, but I know only a little got inside my girlfriend. After that she went to the restroom to pee. 5 hours later she took plan b. So should i be worry ?