Jenjams - I didn't feel any strong movement until 22.5 weeks (I felt a few little bubbles at 21.5 weeks - but I wasn't sure if I was REALLY feeling bubs move). I was worried by 22 weeks & went to see my GP. He listened with the doppler & heard a nice healthy HB. So I decided not to worry & just wait it out!!! Now I feel little regular movements throughout the day (mostly when I sit down) - but I do need to be sitting still (it's much easier to feel now that I know what the movements feel like too!!)