Ok so 4 days ago I started what I think is my period but it’s started very weird today is day 4 of just this weird flow meaning it’s been brown not even red at all usually buy the second day I be ready to pull my hair out and not go to work til it’s all over with but this time it hasn’t been that way can anyone explain or help with this..... And also my sister(nurse) said I could be implantation bleeding and told me to wait it out for a few day and test when my next period is due to arrive is she right????? HELP PLEASE