Weight gaining

First time mom here!!

I'm 22.4 weeks pregnant almost 23 weeks! I have not gain no weight and I'm at my pre pregnancy weight and have a bump!! I eat all the time and like before pregnancy I couldn't eat a lot but I do eat a lot during the day and etc!

Have any of you ladies didn't gain much and had a big baby??

Picture below is me yesterday! Excuse my face haha