AF where??! 16 dpo

Tasha
Ok so I am 16 dpo. I have yet to have a visit from AF. I was due 10/3. The last time I took a PT was 14 dpo. I got a BFN. I am experiencing a lot of nausea,severe back pain, and annoying headaches. My CM has been watery and creamy since 10 dpo and is really heavy. (sorry TMI) I'm not spotting but at times I have mild to moderate cramping. I'm kinda nervous about taking another PT because of fear that it will be BFN again! Is anyone in the same boat right now? Should I retest? I'm so confused and frustrated. I just knew October would be my month! 😉