I need help....

Taylor • Herbal Tea Sipping Yogi: Living at 7,000ft in elevation among the pines. Married. Mama. Artist. Happy.
So, hubby and I have baby danced twice now during my fertile window still have a few days left. This morning, just one day after doing the most recent baby dance, I have some light blood in my super fertile cervical mucous....? 
What would cause that??