Trying To Conceive. Vaginal Mucus With Blood, Bleeding In The Gums. Have An Under Active Thyroid Gland. Need Help

hi i have been trying for a baby for over three years. i have some signs and now i think i might be pregnant would just like advice ok so two days before my period i noticed alot of mucus white and yellow with a small bit of blood when i wiped again there was alot more with more blood in the middle i felt this was very strang because i never get mucus i also had bleeding gums once which also never happens and today i have felt alot of muscle ache in my tummy like i have done lots of sit ups which i havent. the last week i have been so tired i could sleep and sleep but wake up feeling so tired i do have an underactive thyriod gland but it is under control now so dont think its from that