Caroline, i think you know you're own body so if you feel it's the baby then it most probably is

I felt amber move at 11 weeks and not a flutter but a whacknig great movement, i was carrying ethan at the time and nearly dropped him!!! I felt her again that evening but then not until 18 weeks!!!
I think she must have turned over or another big movement whilst she had the room and then i didn't feel anything until she was big enough to give me a good kick!!!

Keep us informed, it's so exciting!!