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Baby handbook

Newborn feeding basics

Feeding4 min read

What the first three months of feeding usually look like, from hunger cues to diapers and vitamin D.

The first weeks are a loop of feeding, sleeping, and diaper changes, and that loop is doing real work. A newborn stomach is tiny, milk is the whole diet, and frequent feeds are how babies grow, stay hydrated, and, if you are nursing, build a milk supply. Nothing about this stage needs to look like a clock on the wall.

How often newborns eat

Most newborns feed 8 to 12 times in 24 hours. That is about every 2 to 3 hours, counted from the start of one feed to the start of the next, and it includes night feeds. Some babies cluster, taking several feeds close together and then a slightly longer stretch. Cluster feeding is common in the evening during growth spurts, especially around 2 to 3 weeks and again near 6 weeks.

Breastfed and formula-fed babies can both feed on cue. A schedule that ignores hunger often leads to a fussy baby and, for nursing parents, a supply that does not match what the baby is asking for. The American Academy of Pediatrics encourages feeding when the baby shows hunger rather than waiting for a set number of minutes on the clock.

Hunger cues, from early to late

Early cues are the easiest time to start a feed. Watch for:

  • Stirring, opening the mouth, or turning the head as if searching
  • Bringing hands to the mouth
  • Sucking on a fist or lip smacking
  • Soft sounds before a full cry

Crying is a late cue. A crying baby is harder to latch and harder to settle with a bottle. If your baby is already upset, a minute of skin-to-skin or a dim room often helps before you offer the breast or bottle.

Fullness has cues too. A satisfied baby usually relaxes the hands, slows or stops sucking, and lets go of the nipple. Pushing the bottle away, turning the head, or sealing the lips are signs to pause. You do not need to finish a bottle that your baby is refusing. Leftover formula should be discarded once the feeding is over.

What a feed looks like

At the breast, a good feed is more about swallows than about a timer. You may hear quiet swallows after the milk lets down, and the baby’s temple or jaw moves in a steady rhythm. Many newborns take one side, then the other. Offering the second side when the first slows down is reasonable. Next time, start on the side you ended with if one side feels fuller. A session might last 10 minutes or 40. Both can be normal if diapers and weight are on track.

With formula or expressed milk in a bottle, paced feeding keeps the flow closer to breastfeeding. Hold your baby fairly upright, keep the bottle more horizontal than vertical, and use a slow-flow nipple. Pause every few minutes and watch for those fullness cues. Babies do not need to be coaxed to finish.

Diapers and weight, the real report card

Output tells you whether milk is landing. A typical pattern in the first week:

Day of life Wet diapers Stools
1 At least 1 Black, sticky meconium
2 At least 2 Dark, thick
3 At least 3 Getting lighter, green-brown
4 At least 4 Lighter, looser
5 and after 6 or more pale-yellow wets Yellow and loose if nursing; tan and thicker if formula-fed

It is normal for babies to lose a little weight in the first days, often up to about 7 to 10 percent of birth weight. Most are back to birth weight by 10 to 14 days. Your pediatrician plots this on a growth chart. A single feed that felt short is much less informative than the pattern of diapers plus the weight check.

After the first month, stool patterns fan out. A nursing baby might stool several times a day or, a bit later, once every few days, as long as the stool stays soft. Formula-fed babies often stool less often. Hard pellets, or no wet diaper for many hours, are reasons to call.

Vitamin D, and what not to add

Breast milk is the recommended food for about the first 6 months, and it does not reliably contain enough vitamin D. The AAP recommends 400 IU of vitamin D each day for babies who are breastfed or partly breastfed, starting soon after birth. Formula-fed babies usually meet that amount once they drink about 32 ounces a day. Do not give water, juice, tea, cereal in a bottle, or honey. Honey is unsafe before 12 months because of the risk of infant botulism.

When feeding feels off

Call your baby’s clinician if your newborn is too sleepy to feed, has fewer wet diapers than the day-of-life guide, has a yellow color that is spreading, or is not back toward birth weight on the timeline your clinician gave you. Painful latching, lipstick-shaped nipples, or breasts that stay engorged are worth a visit with a lactation specialist. You are not behind if you ask early. Feeding questions are one of the most common reasons families call in the first month, and they are a good reason.

Sources

This guide is general information for families, not medical advice, and it is not a substitute for your pediatrician.

Keep reading

This Baby handbook page is general information, not medical advice. Call your pediatrician with any concern about your baby’s feeding or weight.