I’m 17 and a half weeks and for the last week I think I’ve felt movement. I can’t describe exactly what it is like, except for a combination of a rolling feeling, tad bit like wind and a pressurey/heavy feeling just below my belly button. It’s really hard to describe and it seems to happen most when I’m in the car! It feels like before you break wind 😂 but then theirs no fart if that makes sense 😂. Also sometimes it’s like a bubbly feeling.