I took the morning after pill 6 days ago and yesterday and today I urinate blood

That's odd. Maybe you should go and seek your doctor for answers on that one.

Does it hurt when you urinate? Maybe you have a UTI?

Here's a link. Hopefully it will help you (:

Blood in the Urine (Hematuria) Causes, Symptoms, Diagnosis, Treatment and Prevention by eMedicineHealth.com (http://www.emedicinehealth.com/blood_in_the_urine/article_em.htm)