What can a 3 month old do?
- May laugh out loud
- Starts holding head upright
- Discovers hands, brings them to mouth
- Turns toward the source of a sound
- Lifts chest while on tummy
- Gets excited when seeing familiar people
- Starts making varied sounds (richer cooing)
Feeding
- Breastfeeding should be quite regular now
- Night feeds may start to decrease
- Learn breast milk storage rules (room temp 4h, fridge 4 days)
- Consider using a breast pump
- Track weight gain — 600-900 g/month is normal
Sleep
Sleeps 14-15 hours a day; some babies may sleep 5-6 hours straight at night.
Tips for you
- Sing to your baby
- Try a regular daytime nap routine
- Don't forget to make time for yourself
- Play in front of a mirror together
- You can slowly resume exercise
- Dance with your baby in your arms
- Postpartum hair shedding may peak — it's temporary
Tip of the month: Let your baby feel different textures — soft, rough, cool.
Frequently asked questions
How much should a 3 month old weigh?
A typical weight range for a 3 month old is 5.0 - 8.0 kg, with length around 56 - 64 cm and head circumference around 38 - 43 cm. Following their own growth curve matters more than any single measurement.
How much does a 3 month old sleep?
Sleeps 14-15 hours a day; some babies may sleep 5-6 hours straight at night.
What should a 3 month old be doing?
May laugh out loud. Starts holding head upright. Discovers hands, brings them to mouth. Turns toward the source of a sound. Every baby develops at their own pace, and differences of a few weeks are normal.
Every baby develops at their own pace. This is general guidance; talk to your pediatrician about any concerns.
