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 Bloody semen: Inflammation or infection of the prostate gland can cause blood in the semen.  Bloody urine (hematuria): Cancer of any part of the urinary tract including prostate cancer can cause of blood in urine. However, this can also be a symptom of other conditions such as kidney stones or urinary tract infections.