What Does Pink Colored Urination After Hip Replacement Surgery Indicate?

i am a 56 year old male non smoker moderate drinker who has had two back surgeries and bi-lateral hip replacements during the past 18 months ddue to an work accident in 2012. about aweek ago i noticed a pink coloring after urinating. ia assume it is blood, but the pinkness has remained consistent.there is no burning or discomfort. but blood in your urine can t be good...