Week 27 old
Week 27: your baby is settling into solids, sitting steadier, and babbling more. Here's what's typical at this age and when to call the doctor.
In short
At 27 weeks (about 6 months), most babies drink 24-32 oz of breast milk or formula a day plus 1-2 small solid meals, sleep around 12-15 hours total, and are learning to sit with little or no support.
🍼 Feeding
Around 24-32 oz of breast milk or formula across 4-5 feeds a day, plus 1-2 small solid meals (a few teaspoons each) of iron-rich purees or soft foods. Milk is still the main source of nutrition at this age.
😴 Sleep
About 12-15 hours total, typically 9-11 hours overnight (often with night wakings) plus 2-3 naps. Wake windows usually run about 2 to 3 hours. Always back to sleep on a firm, flat surface with no loose bedding, pillows, or bumpers.
What's happening this week
- •Around this age, many babies can sit propped or briefly on their own and reach for toys with purpose.
- •Many babies now babble with repeated sounds like 'ba-ba' or 'da-da' and turn toward your voice.
- •Around now, lots of babies start raking small objects toward themselves and passing a toy from hand to hand.
- •Some babies are beginning to roll both ways and may rock on hands and knees, though crawling usually comes later.
Milestones to keep in mind
- ✓These are ranges, not deadlines: by the 6-month checkup many babies can sit with support, reach for things, and bring objects to their mouth.
- ✓By 6 months, many babies respond to their name, make a range of sounds, and show curiosity about things just out of reach.
- ✓Around this age many babies recognize familiar faces and may start showing some wariness with strangers.
- ✓Every baby develops on their own timeline — bring up any concerns at the 6-month visit.
Growth
💡 Tip for this week
Offer water only in small sips from an open or straw cup with meals, and serve new foods one at a time for a few days so you can spot any reactions. Skip honey until after age 1.
⚠️ When to call your pediatrician
Call your pediatrician for fewer than 4-6 wet diapers a day, a fever of 100.4°F (38°C) or higher, poor feeding or no weight gain, no babbling or sounds, not bringing objects to the mouth, or if your baby seems very floppy or stiff. Trust your instincts and ask if anything worries you.
Frequently asked
How much should a 27-week-old (6-month-old) eat?
Most babies this age drink about 24-32 oz of breast milk or formula a day across 4-5 feeds, plus 1-2 small solid meals of a few teaspoons each. Milk or formula remains the main source of nutrition.
How much sleep does a baby need at 27 weeks?
Roughly 12-15 hours total per day — about 9-11 hours overnight plus 2-3 naps, with wake windows of about 2-3 hours. Night wakings are still common and normal at this age.
Should my baby be sitting up at 27 weeks?
Many babies around 6 months can sit with support or briefly on their own, but the range is wide. If your baby isn't sitting with support by the 6-month checkup, mention it to your pediatrician — it's a normal thing to ask about.
Looking for the bigger picture? See the month 7 overview →
General guidance, not medical advice. Every baby develops at their own pace — talk to your pediatrician with any concerns.