If you’re a parent of a 5-month-old, you’ve probably found yourself staring at a baby scale more than once. Is she gaining enough? Is he too heavy? Is that chub suddenly slowing down?

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Have a question about your 5-month-old’s growth? Leave a comment below or talk to your pediatrician at your next well-baby visit (usually scheduled for 6 months). This post is for informational purposes only and does not constitute medical advice. Always consult your pediatrician about your specific child’s growth and health.

Stop comparing your baby to the neighbor’s 5-month-old who is “so much bigger.” Stop worrying about every gram. Watch your baby, not the scale.

Let’s put your mind at ease. At 5 months old, your baby is transforming from a sleepy newborn into a social, rolling, laughing little person. And their weight gain is changing too.

Here is everything you need to know about the , how growth patterns shift at this age, and the one number that actually matters. The Average Numbers (WHO Growth Charts) First, remember that average means exactly that—half of healthy babies are above this number, half are below. Do not panic if your baby is not exactly on the dot.

During the first 3 months, babies gain about 150–200 grams (5–7 oz) per week. By 5 months, that slows to about 100–150 grams (3.5–5 oz) per week.