Where is the baby located at 19 weeks

Wivine • Wife 👰🏾 mom to my little boy 💙💙 born September 26, 2019 💙💙 and expecting with our second June 2022 ❤️❤️

Hello ladies, I wake up this morning and my left side where my belly button is but farther left was hard and it felts as a round small ball I was wondering what that it ? No pain! Should I be concern ? Also I’m 19 weeks today exactly.