I'm nervous that my stomachs getting smaller!

Crystal • 25, Married & Mum of two boys 🤍
I think when I was first pregnant I had a lot of fluid but now I'm almost 17 weeks and I feel as if my stomach is smaller and is getting smaller I'm panicking that my little boy isn't growing because I get so sick at times most dinners I throw up and the morning sickness has slowed down but I'm worried :(