BBT drop but no period ?

Jenna • Jenna Marie, 25 mommy of one perfect boy trying for baby number two ❤️ baby dust to all and wish me luck !!

I have sore breasts and frequent Peeing but my bbt dropped right to my cover line was supposed to start yesterday cycle day 30 today’s cycle day 31 still no sign of AF no cramping or anything.. could I still be pregnant possibly !? 🤞🏼