day 44 still no af and BFN

Mia • 35yrs old. Married. Dog Mom. Baby boy - Jan 2019! PCOS. Irregular cycles. TTC for baby #2 🙏🏽
What the heck! I know I'm not pregnant since I'm getting all negatives. I have irregular cycles and now I just want a damn drop of blood so I can look forward to my next fertile window