I had this jelly like mucus with a brown tinge I also had mild tummy ache

Hi all I had a positive test on the 10th and on the Thursday I had this jelly like mucus with a brown tinge I also had mild tummy ache and felt wet (sorry tmi) and then Friday I had red bleed then turned to brown (old blood I think not sure) and it's only just finished yesterday and when I normally get af it starts red straight away light then red then brown as it nears the end what is going on I am scared to go to the see my gp

http://www.countdowntopregnancy.com/pregnancy-test-gallery/image.php?galleryid=207452 - this is my test