Tmi cm check

Amelia
Hello im new to cm check and bbt checking. SORRY FOR THE TMI <3 I had very like brown spotting around the 24 and 25 when I wiped. I'v had very small increase in temp throughout the day even when relaxing and not doing anything. I'm 4 days from when glow says ill start my period and I get this white tacky cm when chrcking but not alot. Any advice please would be greatful^^