Stopping birth control

I stop my birth control 5 months ago . I have been taken birth control for 14 years and I’m now 29 years old. I have never been pregnant. I have had regular periods every month since I have stopped until this 5 th month . It’s 5 days late . I have stress myself out test and LH meters and they say no :/ . Is it normal to skip a period. I have had the symptoms of a period but no blood .