Brownish discharge

Anyone that can relate !! I've been having lots of discharge. It literally runs down my leg like water ...it's brownish ..W/no smell at all. My urine kinda smells like vinegar .my doctor rude out an bad infection .(/which i do not have sex noway...only thing shes waiting on to see if I have a bladder infection are uti .I had blood in urine at doctors this morning .I've been feeling a lot of pressure when I walk ..a lot sometimes I have to stop an hold my stomach up .I'm 34 weeks 5 days pregnant. She said baby will not stay in my till 40 weeks .anyone else can relate to this ?