12 days late

Mrs • Me and husband TTC for 3 yrs, sought help 2016. He`s 27 me 26, diagnosed unexplained infertility.
Now officially 12 days late!!! All BFNs taken about 4 test, trying to hold out for a blood test. But at this point I just want AF to show up so I can start a new cycle!! So frustrating. My period is never like this!!