CM before period

Kali • Boy/Girl IVF twins arrived 12/02/22, baby 1 👼 , 33 years old
My period is due on the 12th and we BD 4 times during my fertile week, including on ovulation day and the day after. Now I'm on cd 24, and dry. Hardly any cm at all. What does this mean? Has this happened to you and still got a bfp