Worried 4 month old

Delaney • Mom of a sweet little boy 👶🏼 baby #2 on the way 💙👨‍👩‍👦 🤰🏼

I’m a FTM and my boy is only 13lbs and is still only eating 2 oz. we don’t see the doctor till 6 months. Is this something to worry about? He dropped in percent by 5% at his 3 month but doctor wasn’t concerned but I am