What do you think I should do?

Im experiencing pregnancy symptons 
( tired, cramping, heartburn, frequent urination, creamy/ wet cm) and af still has not arrived. It is cd41 which my cycles are very random but are typically not longer than 38 days. 
​My dh and I have been TTC only since january so I would be very surprised if I am but not impossible either.
​I tested negative last week but don't know if I should test again yet or try and wait a few more days and see if af comes??