19 years old with a 1 year old my periods are always unregular but this period i had i was on it for 7 days then today i went to the bathroom and my pee was yellow with light red blood in it when i wiped it was on the toliet paper also when i was peeing there was pressure after that i started having pains in my lower stomach back here and there. Then i went to pee again and no blood or nothing? What is going on?