Ok so here's a question, I've been looking for the answer on the internet and nothing so what do you…

Ok so here's a question, I've been looking for the answer on the internet and nothing so what do you guys think...

At 18 weeks can my baby move to my side? Because I feel like the baby just sits/lays there sometimes. Idk if its just gas but every so often I'll feel like sthe baby or something is there. What do you guys think, and sorry I hope what I said made sense lol