Sir or mam, I am female 22 years old I have urgent urination ,when urine is stored in bladder it cause pain in lower pelvic region ,burning sensation ,pain in backside .i done ultrasound scan it detect that I have thick bladder wall, and I done urine culture its normal. My question is, when there is blood in urine culture how to detect its period blood or other becoz I have period when I test urine culture my report is normal. Why it cause pain when urine in bladder. I masturbate by rubbing clitoris did it related. Pls ans my question pls.