Really confused ! ):

Tiffanie • try to conceive baby number 2. Married, soon to be 3 year old daughter; just looking for some new mommy friends.
I was due to start my AF on the 19th, I had nothing happen on the 19th or 20th and then spotted for about 25 minutes earlier this evening. I've taken too many test to count and they're all negative. I've got a handful of symptoms suggesting pregnancy. But no proof. Do you think it's worth making the appointment for blood work or should I wait and hope for a BFP next month?