How much more should I wait !!??

Karla

How many days days past ovulation and no period with false negatives should you seek doctor for help ?

- I am 25 DPO AND AND NO AF !! took a test on 21 DPO(8 days late ) first thing in morning and Negative.,plan on taking another one in 3 days !! Rarely feel nauseous with no vomiting , white sticky discharge here and there, constipated since Thursday, few cramps make me think af is coming but No!