With this one movements increased at 28 weeks... I was finally able to feel them all the time and she couldn't hide. With my last baby movements decreased around 27-28 weeks. All babies are different. I say if your doing your kick counts and the baby is doing at least 10 an hour that they are fine. If you do the kick counts and notice that baby isn't doing the minimal 10, trying drinking something sweet and laying down on your left side, if that doesn't get baby moving go straight to the hospital or call your doctor.
Wanted to share if you take a toilet paper roll and hold it over your stomach you may be able to hear the heartbeat, well i couldn't because I couldn't get my ear down there but my husband could. My husband and I tried this last week with our baby and were shocked he could hear it. It was very neat! I of course was a little further along than you were and she was in a great position.