Help me please, why am i urinating blood and small clots???

Patient: Hi, i’m on the pill: Femodene, and two weeks ago I missed a pill but took it in the morning and the right days pill at night, many people say this isn’t a problem. However I had unprotected sex a day or so after, and today I should be on my period but I haven’t come on yet, but every time I urinate my bladder hurts and there is blood in my urine, what does this mean? and is it likely im pregnant?

Symptoms: Urinating blood with small clots

Doctor: