16 DPO, AF was suppose to come Saturday.

Renee 👦🏼👼🏻👧🏻👼🏻👼🏻👼🏻👶🏻 • Stay at home mom. My family is my life.

It seems like my cycles get longer every cycle. I’m currently 16 DPO, and was suppose to start af on Saturday. Still getting BFN’s. When should I call and talk to my doc?