Dont know what going on ?

Erin

I had my tube tied after having my youngest son and haven’t had regular periods but always got them well this month I haven’t had one and glow it say 13 and on Flo is say the 8 ? I don’t know witch go by and I took 4 pregnancy test all negative not even sign of any color in the test line but I feel sick and really sore boobs like I can feel in my bra or being touch and have creamy CM what going on anybody else felt this way ?!?!?