A posterior position is where your baby has his head down, but the back of his head is against your spine. By the time labour starts, about one baby in 10 is in this back-to-back or posterior position.
1 Kidney stones, urinary tract infections, kidney disease, blood diseases, and some cancers are all known causes of blood in the urine. 2  Blood in the urine should always be evaluated by a doctor. 3  Blood in the urine may occur on its own or may accompany other symptoms.
1 Blood cells aren't found in urine normally. 2  Inflammation, disease, or injury to the kidneys, ureters, bladder, or urethra can cause blood in urine. 3  Strenuous exercise, such as running a marathon, can also cause blood in the urine. 4  White blood cells may be a sign of infection or kidney disease.