Key takeaways: Start expressing milk as soon as possible after birth, ideally within the first hour or few hours. Pump 8 or more times in 24 hours, including at night, with a hospital-grade double pump. Hand expression and hands-on pumping help. Your colostrum and milk are especially protective for preterm and sick babies.
When your baby is in the NICU, providing breast milk is one of the most important things you can do. It can also help you feel connected.
Why Breast Milk Matters in the NICU
For preterm babies, breast milk lowers the risk of necrotizing enterocolitis (NEC), infections, and other complications. The AAP recommends a mother’s own milk for preterm babies, with pasteurized donor milk if it’s not available.
Start Early
- Begin hand expressing or pumping as soon as possible after birth, ideally within 1 hour, if you’re able. A pilot study by Parker and colleagues found earlier expression was linked to more milk.
- Ask for a hospital-grade pump in your room.
- Hand express colostrum in the first days, since it’s thick and small in volume.
Building Supply
- Pump 8 or more times in 24 hours, including at least once at night.
- Double pump for 15 to 20 minutes, or until milk stops flowing, plus a couple of minutes.
- Use hands-on pumping: massage and compress during pumping, then hand express. This increased output in a study of mothers of preterm babies.
- Aim for a full supply by about 2 weeks. Many NICUs suggest a goal of around 500 to 1000 mL per day, but ask your team.
Colostrum and Oral Care
Many NICUs use your colostrum for oral care, placing tiny drops in your baby’s mouth even before feeding starts.
Skin-to-Skin (Kangaroo Care)
Skin-to-skin helps your baby and may increase your milk production. Ask when you can start.
Labeling and Storage
Follow your NICU’s rules for containers, labels, and storage. Bring milk fresh or frozen as directed.
Moving to the Breast
Your baby may start practicing at the breast when stable, often first at an emptied breast. An NICU lactation consultant can guide you.
Taking Care of Yourself
- Eat, drink, and rest.
- Rent or get a hospital-grade pump for home.
- Ask about insurance coverage.
- Talk to someone if you feel overwhelmed.
Tell your NICU team if: your supply is dropping, pumping hurts, or you have breast redness or fever.
The Bottom Line
Start early, pump often, and get support. Your milk is a powerful gift for your NICU baby.
Want more support for your baby’s first year? My book, From First Breath to First Birthday, is available on Amazon.
Sources
- Meek JY, Noble L; Section on Breastfeeding. Policy statement: breastfeeding and the use of human milk. Pediatrics. 2022;150(1):e2022057988.
- Parker LA, Sullivan S, Krueger C, Kelechi T, Mueller M. Effect of early breast milk expression on milk volume and timing of lactogenesis stage II among mothers of very low birth weight infants: a pilot study. J Perinatol. 2012;32(3):205-209.
- Morton J, Hall JY, Wong RJ, et al. Combining hand techniques with electric pumping increases milk production in mothers of preterm infants. J Perinatol. 2009;29(11):757-764.
- Spatz DL. Ten steps for promoting and protecting breastfeeding for vulnerable infants. J Perinat Neonatal Nurs. 2004;18(4):385-396.
This article is for general education and is not a substitute for individualized medical advice. Always talk with your baby’s health care provider or your own provider about your specific situation. If you think your baby or you may have a medical emergency, call 911.
