So anxious

Gloria
So I've been ttc for almost a year now and its been bfn after bfn. Auntie flow was due 4/02 and its now 4/16 and there's no sign of her. I took a test on 4/04 and in the morning on 4/06 but both negative. Should I wait a couple more days? Idk what to do. I don't remember ever being this late.