I came on af last month 24-27 came back this month on the 6-9 yesterday and today i been stress crying tried feeling alone depressed so today i when i wipe had light blood then went back brown can someone help me could i be pregnant or I'm going throught this cause of my stressing um crying now i just feeling sum type of way and need advice and i keep running out and peeing i smoke newport and they taste stale got nauseas this morning had to throw up but nothing