Take a test??....Light period/spotting for 4 days??

M.E.L • 33🇬🇧Baby #2 due August 2024💕 6 failed IVF attempts, 3 miscarriages 😔🥚 Egg Donor🥰
Hi all, 
I was wondering if you thought I should take a test. My period was due this week, glow says CD28 which was 4th November, I haven't had any period paid, no bloating etc only symptom is painful boobs. My spotting/light bleeding is mainly dark brown/dark red rather than pink light discharge. But TMI..... I have been wearing Tampons now since the spotting but they come out "dry" and hurt me to take them out with only a touch of blood/discharge on them. My period is never ever like this and we've been trying for our first baby for a long time now so I am just wondering wether anyone thinks I am on my period or I should just take a test. I assume my period is due to bein properly in a day or 2 but I don't feel like I am even on my period. 
Please could someone give me some advice. 
Thank you in advance xxx