I'm in the same boat. I have been feeling low kicks too. I worried there for a bit that he may be too low or something, but from all the responses it sounds pretty normal. Good to know. :)
Maybe you should see if she is interested in joining this forum for a few months. Everyone posts things they are happy and unhappy about all the time. I think it helps to know others are out there too with your same worries. Even if she doesn't post anything...sometimes it helps just to read other people's comments.
Congrats!! great news about the all around check-up too. Such a relief, eh?
20 weeks down...20 more to go. :)