Period won’t start to do FET

Terra • Married to my Mr. Right. Mom to my IVF heart warrior daughter born November 16, 2017.

Has anyone else had this happen? My clinic put me on birth control so I would get a period without having to induce it with progesterone. Today is day 4 since I stopped taking the active pills and still no period. Am I just being impatient? It’s been years since I was on the pill and don’t remember how long it takes to start. I don’t seem to have really any signs that it is coming either. I’m just so frustrated. 😒