I went to the doctor the other day, I thought I was 10 weeks, hesaid it looked like I was only 6 weeks, is it normal for it to be off by that much? I also have been having brown discharge on and off for the past 2 weeks or so, it's light but is that something to worry about? I have no cramps or any other bleeding n I feel fine. has his happened to anyone else? I would appreciate any answers, this is my first pregnancy n I'm so nervous, thank you.