3 month old not gaining weight?

My LO has barely gained any weight in three weeks. He went from 12 lbs to 12.5. His next pediatrician appointment isn't for a few weeks. Should I start supplementing with formula or pumping to see how much he's getting? He has lots of wet diapers and usually one dirty diaper per day.

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors