Tingling down below and spotty blood when rub where its hurting and stomach cramps?

You've more than likely caught a harmless urinary tract infection while having safe on Thursday and Friday. As long as you used some type of birth control method, there should be no worries about an accidental pregnancy. Just start drinking plenty of cranberry juice (which makes your urine more acidic and therefore, bacteria will not want to live in that environment. Good luck.