What Causes Vaginal Bleeding After Missing Birth Control Pills?

Hi, may I answer your health queries right now ? Please type your query here...Hello, So i missed two days of my birth control, and ive dne it before and nothing happened. until this morning i woke up and went to the bathroom to find very thick blood coming leary out ofmy vagina. i am sexually active but i dont knowwhat to think. is it too early to take a pregnancy test?