HELP! LH levels being weird

My LH levels have been high almost every day since after I’ve ovulated. I ovulated earlier this month. After ovulation/fertile week ended, my LH continued to climb & remain high. This has never happened before. I’m supposed to start my period tomorrow & today is the first day my LH has been low in a week since the spike AFTER ovulation. I’m #13DPO. Since my LH drastically dropped the day before I’m expected period, could it be possible I’m pregnant? Like I said, this has never happened before.