HELP‼️( Kinda tmi)❤️

So I been ttc for 5 months now after my miscarriage and this month after ovulation I started having fatigue, nausea, cramping and lotsss of cm (ik tmi) then I started havin sum Pink spotting mixed with my cm two days before (saturday) I was supposed to start ( today ) and it hasn’t Picked up in heaviness like usual .. my second day is usually my heaviest day but I haven’t been feeling tampons it’s just cm with sum brown n Pink just at the tip of the tampon for three days cuz my cycle usually kinda heavy and even come out in the toilet and I have to change tampons n pads throughout the day but the Past three days it’ll just be on the tip of the tampon even overnight n

I don’t have to change it all day like usual and nothing comes out SORRY FOR ALL THE TMI ! but anyone know wat it could be or if something is wrong ? Please help