Spotting 8-9dpo advice please

Good afternoon ladies, tmi - I had spotting in my pants yesterday 8dpo dark brown now today 9dpo it's when I wipe after going to the loo it's more of a light brown cm, no red in it at all, my af is due Monday as my cycle is only 25 days, really hope this is the month as we have been trying for so long,  also other systems are feeling tired boobs painful at night and some times In the day, and flu symptoms