3 months baby complete guide
We've gathered the feeding, sleep, solids, development, diaper, and growth guidelines for 3 months old babies in one place. Tap each topic to see the detailed reference table.
3 months feeding amount - Feeds per day 5–6
- Per feed (formula) about 150–180 ml
- Daily total (formula) about 900–1100 ml
3 months sleep - Total sleep/day 14–16 hours
- Naps 3–4
- Night sleep 5–8 hours
3 months solid foods - Stage Milk only
- Guideline Nothing besides breast milk/formula
3 months development - Motor head control begins, hands together
- Language laughs out loud, chatty sounds
- Social enjoys interaction
3 months diapers - Diapers/day 7–8
- Poop once a day to once every few days
3 months weight & height - Average weight (boys) ~6.4kg
- Average weight (girls) ~5.8kg
- Average height (boys) ~61.4cm
The information on this page is general reference material based on widely used parenting standards (such as the WHO Child Growth Standards) and does not replace medical diagnosis or treatment. Babies vary greatly in how they grow and develop, so if anything concerns you, please consult a pediatric professional.