When was your last period before that...you should really have an idea if you can look back and see your last few periods along with when you should or kinda around the time you ovulate...if you had unprotected sex days after your ovulation changes are you arent unless for some reason you ovulated late...so you have another 2 weeks until your next period i would just see what they bring you and test only if it doesnt come
Any time you have sex, you can get pregnant - whether on birth control or not. It's a possibility you always need to keep in the back of your mind. I can't give you a yes or no answer, only a test can do that. Wait 14 days from november 26th and test.