Baby #3, 18 weeks, and still no movement

Adriana • 👧🏻 5/2016 👶🏻 7/2018 🤰🏻7/2020

I can’t remember how far along I was with my girls but I know it was right around this time when I started feeling them. I still haven’t felt anything and I always thought you felt sooner with every baby. Should I be worried?