I'm freaking out

Cheyenne • Hello my names cheyenne me and my husband have been married for 6 months been together 5 years and are ttc baby #1 :)
So my period was 3 days late to begin with now I'm having serious cramping and blood clots I wear a pad all day and nothing is on it but when I go to wipe and pee there is blood and clots in my pee should I see a doctor? Pregnancy test come back negative this has never happen to me