Female urine occult blood 3+ serious?

If female urine occult blood 3 +

is caused by strenuous exercise, menstruation and other reasons, and there is no abnormal phenomenon, this is normal, generally not serious, after a period of time can recover. If female urine occult blood 3 + is caused by urethritis, bladder stones, nephritis and other reasons, so that urethra, bladder, kidney damage, causing bleeding, and accompanied by pain, redness and other symptoms, this time is more serious. Women need further urine culture, ultrasound, X-ray and other examinations to clarify the specific causes.