TMI pic. What kind of cm would this be??

Ky 8-15-17👼🏼 & 10-28-17👼🏼 Pregnant with my🌈💕
I quit taking birth control after 5 months in january. And i got a period exactly a month after quitting. But this while entire month I haven't gotten my period. I've taken test which are negative. I'm 3 weeks late.