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.
Damage to the upper urinary tract, or a kidney which is infected could also cause blood in urine. Kidney and bladder cancer. Blood in urine could also indicate kidney or bladder cancer. This is a more common concern if you are over 40 years of age.