Hello dear I understand your concern Itching and pain during urination suggests urinary tract infections. I pill contain high progesterone and cause dilation of renal pelvises and caliceal system and relaxtion of ureter wall that increase the risk of urinary tract infections. Blood, less urination may be a part of urinary tract infections. I advise you to consult the gynecologist and undergo the urine routine, microscopic and culture to confirm the pregnancy. Doctor will provide following advises: Tablet septran DS and nitrozoilum Tablet pyridium Syrup cital, drink plenty of water and juice of cranberry, orange and pine apple. Do not delay in empty the bladder and empty the bladder completely. Hope this may help you Contact HCM for further health query best regards Dr. Sagar