“Do I need to give formula?” is one of the questions we hear most from new parents, and it often comes with a lot of worry and guilt. Here’s the truth: supplementing is a feeding tool, not a failure. Many families supplement and keep breastfeeding for as long as they want to. The goal is a fed baby and a plan that works for your family.
Why Parents Supplement
There are many good reasons, and you don’t owe anyone an explanation. Some of the most common:
• Your baby needs extra milk for weight gain, jaundice, or low blood sugar, as directed by your baby’s care team
• Your milk supply is slower to build, or your supply is lower than your baby needs
• You are going back to work or school and a caregiver will be feeding your baby
• You are recovering from illness, surgery, or a difficult birth
• You want to share night feedings with a partner
• It is simply what works best for your family
Will Formula Hurt My Milk Supply?
Not on its own. Your body makes milk based on how often and how well milk is removed, whether that is by your baby at the breast or by a pump. Problems with supply usually happen when a feeding is replaced with a bottle and the breasts aren’t emptied in its place.
That is why a good plan matters. If your baby gets a bottle, you can protect your supply by pumping or hand expressing around the same time. If you are supplementing because your supply is low, the plan is usually to nurse, then supplement, then pump, so you are telling your body to make more milk while your baby is fed. Your IBCLC can tailor that plan to you.
What Can I Use to Supplement?
In order of what many families prefer:
1. Your own expressed milk, from pumping or hand expression
2. Donor milk, when it is available and recommended by your baby’s care team
3. Infant formula, which is a safe, healthy option for babies when you need it
Your baby’s pediatrician can help you choose a formula. Always prepare formula exactly as the label says. Never add extra water or stretch it to make it last longer.
This order follows the Academy of Breastfeeding Medicine’s guidance on supplementation, which names a mother’s own expressed milk as the first choice, then donor milk, then formula. Source: ABM Clinical Protocol #3: Supplementary Feedings in the Healthy Term Breastfed Neonate (2017)
How to Supplement Without Undermining Breastfeeding
• Ask your IBCLC about the method. Paced bottle feeding, cup feeding, a syringe, or a supplemental nursing system can all work, depending on your baby and your goals.
• Keep nursing. Time at the breast helps your supply, your baby’s comfort, and your connection.
• Ask about amounts. How much to give is not the same for every baby. For healthy, full-term babies, your IBCLC and pediatrician will help you find the right amount for your baby’s age and weight, rather than a number from the internet.
What About Combo Feeding Long-Term?
Combo feeding, which means breastfeeding and bottle feeding together, is a very common way to feed a baby. Some parents combo feed for a few weeks and some for many months. Your supply will adjust to how often you nurse or pump, so changes to your routine may change how much milk you make. If you want to protect your supply, keep your pumping or nursing steady. If you are fine with your supply settling at a lower level, that is a valid choice too.
The most important thing about choosing to breastfeed or provide breast milk via bottle is the education you get early on. Many families have a slow start to pumping and/or direct nursing and this is one of the biggest challenges moms face in reaching their breast milk goals.
When to Reach Out for Help
Talk with your pediatrician or an IBCLC if:
• You aren’t sure whether your baby needs extra milk
• Your baby seems unsatisfied after most feeds
• You are seeing fewer wet or dirty diapers than expected
• You are worried about your baby’s weight gain
• You want to keep breastfeeding but your supply is dropping
• Your baby is refusing the breast or the bottle
A lactation consultant can watch a feed, check how well your baby is transferring milk, and build a plan around your baby’s needs and your goals, not an average.
The information in this article applies to healthy, full-term babies. Babies born early or with medical conditions can have different feeding needs, so please follow the plan from your baby’s pediatrician or care team.
This article is for general education and is not medical advice. Always talk with your baby’s pediatrician or an IBCLC about your baby’s specific needs.
Related reading:
· How to Know if Your Baby Is Getting Enough Breast Milk: 10 Signs to Look For
· How Much Breast Milk Does a Newborn Need?
· How to Increase Milk Supply: What Actually Works (And What Doesn’t)
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Written by Jennifer Chivas, RN, BSN, IBCLC, Founder, Lactation Loop