Long period

ive had a long period now since mid aug an im still bleeding i had sex with my partner beginging of aug10th an the condom split an i reintroudced the birthpill 2days before that,i went to the doctor 27aug at my local practise he said my bleeding was threw my birthpill but did preg test was neg but i didnt have any signs of being preg so i didnt think anything of it ,but its now sept i went back an saw another doctor on monday 7th hence hes getting me a ultra scan but heres where it comes confussing with the symtoms.im still taking the birthpill like the doctor told me to do so
in last few days i did i pregnacy test it came negative but im still bleeding was fresh red blood now its like dark like end of a period an had like what you call sticky substances from my cerfix an ive now in last few days had breast milk leaking out of both my boobs (as ive had already 1 child born in 08 my son leon)
an im weeing alot more than usal an specially at night time im getting little butterly feelings across my lower tummy an im tired most times an im getting little spots on my face an my skin is over oily an my hair too an i get cramp on my tummy .thanks sarah