help please

hello ladies so i been having really bad humors i just

want

to cry but the thing is that last week i had intercourse and blood came out for just that night then again it happened two days ago i been feeling sad mad im scared that my period isnt coming since july i do want to have a baby but im scared is somthing else i forgot to add that

when i bleed is really ponkish color and not

the normal red i have pcos thyroid problems and over weight so i think its really hard to be pregnant for me please give me any advice