high temperature .. help

So I've been feeling cramps like my period is about to come I used to track my bbt and haven't done it since 3 months ago as of today and the past days at night I feel bloated like super bloated my breast actually fit on my bras lol 😂 and for some reason I just decided to take my temperature I've been in bed since I got from work since I feel sooooo tired 😴 and my temperature was 99.9 almost a 100 and I  Dont even cold I haven't been covered with blanket or have heavy clothes on me so was wondering if this any sign I might me 🤰🏻 ??? I'm 4 days before my next period is supposed to begin just wanted to hear or read some of your opinions...