Hi, My Last Menstrual Start @ 8th Oct, Next Was

Hi,
My last Menstrual start @ 8th Oct, next was due @ 7-8th of Nov we had intercourse from 19th to 22nd & then 27th Oct, After that i was feeling very tired, Vaginal discharge ,headache, pain in tights, every time i was feeling sleepy(specially in the morning i was unable to wake up) two days ago in my Brest itching started. i read on internet these are the early symptoms of pregnancy, suddenly yesterday night bleeding is started(like Menstrual cycle) & today i have high bleeding & lower abdominal pain, i m confused is it Menstrual cycle or it is part of pregnancy symptoms(because i read on internet some women experience bleeding in early pregnancy) , i didn't Preformed pregnancy test. pl guide what to to do.