Hello im 24 i have been experiencing pains in my sides and in my back rate under my rib cage and below my shoulder blades and some times in between i have also been experiencing small stools with blood and mucous when i wipe as well as blood in the toilet. I have had a soreness with my throat as well and very gasy i can feel the rumbling in my back im deathly afraid what is this??? Also i have just started my period and its bright red.. i took a oraquick hiv a month ago and it was neg. Ive been tested for gonoreah and chlamidya and its negative ive had 2pelvic ultrasounds nothing with my ovaries..