WTF is going on?

Hel

Ok ladies. 30yo. TTC #1 since July 2018

-17 DPO (Avg cycle 30 days)

-BFN today with FMU

-AF is 3 days late

What might be going on ladies???

Update

Still late. BFN. Cycle Day 38

I am getting VERY excited! I dont want to jinx it though. I have no symptoms aside minor cramps and a missed period.