Im 7 weeks today and spotting

Danielle • Im a mother of two beautiful little girl Jaidyn Rosalie age 3 born July 4th 2012 and Ryleigha Ashlynn Marie age 1 born August 5th 2014 ... Now I expecting another baby some times in July 2016
I have been having a link blood all day and now mucusy pink blood now should I be worried I have my first obgyn appointment tomorrow