Chart help????

πŸ–€LindaπŸ–€ β€’ mom of 3πŸ’™πŸ’œβ€οΈ and pregnant with#4πŸ€°πŸ»πŸ‘£

I thought i was gonna start yesterday cause my temp dropped but it went back up this morning. Anyones temp did this before and be pregnant? Or am i FINALLY going to get my period??