Bleeding

Claudia
Hi ladys well i have a question...im 25 im over weight ibe always been...i have 9yr and 2yr from past relationship and now that im engaged with my new partner wr been trying since oct. 2014 and i dont seem to be getting pregnant but on the 30th i started bleeding but it was weird because i dont get my period untill the 14 and if late the 17 but i started bleeding the 30th of may and today june 2nd im not bleeding at all and it wasnt rwgular blood it was what my fiance called old blood because it was BROWNISH and in toilet paper i will see light pink buy mostly brown so can anybody tell me why dmthis happend and only for 3days