Is this the baby moving?

I’m 18 weeks, I’m pretty sure I felt baby at 16 weeks for first time.

It felt like the baby possibly was moving at 16 weeks. I can’t really explain how it was feeling, just like something inside my belly was moving around, a very slight feeling. So I put my hand on my belly and it felt like bubbles popped inside right where I put my hand.

For the past few nights at night I’ve been feeling rumbling in my stomach. Not from hunger or gas.

Then I don’t know if this makes any dif but over night I got huge and my belly popped a lot more (last night).

But just now I was getting up from kneeling down grabbing something in a bottom cupboard and when I got back up I felt some type of pressure near my belly button. I put my hand on my stomach and felt that pressure again but lighter this time.

So is this the baby I’ve been feeling?