A one-week-old baby typically eats 1 to 2 ounces per feeding, about 8 to 12 times every 24 hours. That works out to roughly every 2 to 3 hours around the clock. Whether you’re breastfeeding, formula feeding, or doing a combination, the pattern is similar: small, frequent meals that match your baby’s tiny stomach.
Why Feedings Are So Small and Frequent
A newborn’s stomach holds about 20 milliliters at birth, roughly the size of a cherry. By one week, it has stretched slightly, but it’s still remarkably small. That’s why your baby can only take in 1 to 2 ounces at a time and needs to eat again within a couple of hours. This isn’t a sign that something is wrong or that your milk supply is low. It’s simply how newborn digestion works.
Frequent feeding also helps establish milk production if you’re breastfeeding. The more often your baby nurses in the first week, the stronger the signal your body gets to make more milk.
Breastfeeding at One Week
Breastfed newborns nurse 8 to 12 times in 24 hours. Some of those sessions will be long, others surprisingly short. Both are normal. You can’t measure how many ounces your baby takes at the breast, so you’ll rely on other cues to know feeding is going well (more on that below).
You may also notice your baby wanting to nurse every 30 minutes to an hour during certain stretches, especially in the evening. This is called cluster feeding. It can feel relentless, but it’s a normal behavior, not a sign of low supply. Cluster feeding helps your baby fill up before a longer sleep stretch and sends your body a strong signal to increase milk production. These intense periods are temporary.
Formula Feeding at One Week
If your baby is exclusively formula fed, start by offering 1 to 2 ounces per feeding every 2 to 3 hours. Most formula-fed newborns eat 8 to 12 times in 24 hours, just like breastfed babies. Let your baby set the pace rather than trying to hit a specific daily ounce count. Some feedings, your baby might drain the bottle. Others, they might take half an ounce and fall asleep. Both are fine.
Resist the urge to push your baby to finish a bottle. Overfeeding can cause discomfort and spit-up. If your baby is consistently finishing every bottle and still showing hunger cues, try adding half an ounce at the next feeding.
How to Tell Your Baby Is Hungry
Crying is actually a late sign of hunger. By the time your baby is wailing, they’ve already been signaling for a while. Early hunger cues to watch for include:
- Putting hands to their mouth
- Turning their head toward your breast or the bottle (called rooting)
- Puckering, smacking, or licking their lips
- Clenching their fists
Feeding your baby when you notice these earlier signals makes the whole process easier. A calm baby latches better and feeds more efficiently than one who’s already upset.
Signs Your Baby Has Had Enough
Full babies give clear signals too. They close their mouth, turn their head away from the breast or bottle, and relax their hands. If your baby’s fists unclench and their body goes soft during a feeding, they’re likely done. Don’t try to coax them into eating more.
Weight Loss in the First Week Is Normal
Almost all newborns lose weight in the first few days after birth. This is expected and not a sign of poor feeding. Half of vaginally delivered babies are back to their birth weight by day 9, while babies born by cesarean section typically reach that milestone around day 10.
Some babies take longer. About 14% of vaginally delivered babies and 24% of those born by cesarean haven’t regained their birth weight by two weeks. By three weeks, those numbers drop to 5% and 8%. Your pediatrician will track your baby’s weight at early checkups and let you know if the trajectory is concerning.
Tracking Diapers as a Feeding Check
Since you can’t always measure what goes in, especially with breastfeeding, tracking what comes out is the most practical way to confirm your baby is eating enough. After day 5, a well-fed newborn produces at least 6 wet diapers per day. The number of dirty diapers varies more, but you should be seeing some each day during the first week.
Wet diapers should feel heavy. If you’re unsure what a “wet enough” diaper feels like, pour 2 to 3 tablespoons of water onto a clean diaper for comparison. Urine should be pale yellow or clear, not dark or concentrated.
What Changes After the First Week
Feeding amounts increase quickly. By two weeks, most babies take 2 to 3 ounces per feeding. By one month, that rises to 3 to 4 ounces. The number of daily feedings gradually decreases as each feeding gets larger, but the shift is slow. Expect your baby to still eat 8 or more times a day for the first several weeks.
Growth spurts often hit around 7 to 10 days, then again at 3 weeks and 6 weeks. During these spurts, your baby may want to eat more frequently for 2 to 3 days before settling back into a more predictable rhythm. This is normal and temporary.