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One of the biggest milestones for premature babies in the NICU is learning how to eat by mouth. Before babies can go home, they need to safely coordinate sucking, swallowing, and breathing during feedings. This takes practice, stamina, and time.
To help babies develop healthy feeding skills, many NICUs use cue based feeding.
What Is Cue Based Feeding?
Imagine you’re exhausted and in the middle of a wonderful nap. You’re not hungry, and your body desperately needs rest. Suddenly someone keeps waking you up, insisting you eat an entire meal. You tell them you’re tired and not interested, but they continue trying to feed you anyway.
Doesn’t sound the best, right?
If this happened over and over again, you might start developing a negative relationship with eating.
This is exactly what we want to avoid when premature babies (and babies in general) are learning how to eat.
The difference is that premature babies can’t tell us with words when they’re tired, stressed, or not ready to eat. Instead, they communicate through their body language and behaviors, also known as feeding cues.
Cue based feeding means we watch for signs that a baby is ready to eat and signs that they need a break. Rather than focusing only on the amount of milk consumed, we focus on creating safe, positive feeding experiences.
The First Step: Is Your Baby Ready to Eat?
Before offering a bottle, the nurse will usually change your baby’s diaper and check vital signs.
During this time, pay attention to how your baby responds.
If your baby remains very sleepy, keeps their eyes closed, or shows little interest in waking up, it may not be a good time to offer a bottle.
It’s completely normal for premature babies to sleep through several feeding times while they are developing. Eating requires a tremendous amount of energy for preemies. As they grow and mature, they gradually build the stamina needed to wake up and eat more consistently.
Hunger Cues: Signs Your Baby Is Ready to Eat
When a premature baby is ready for a feeding, you may notice:
- Rooting (turning their head and opening their mouth while searching for the nipple)
- Sucking eagerly on a pacifier
- Being alert and awake before the feeding
- Bringing hands to their mouth
- Smacking lips or making sucking motions
- Increased movement and activity
- Crying after other comfort needs have been met
These cues tell us your baby is interested in eating and may be ready to begin a bottle feeding.
Stop Signs: When Your Baby Needs a Break
Just as important as recognizing hunger cues is recognizing stress cues.
These signs tell us that feeding is becoming too difficult or your baby is getting tired.
Feeding Stress Cues
- Hand raised as if signaling “stop”
- Finger splaying (spreading fingers wide)
- Turning away from the bottle
- Pushing the nipple out with the tongue
- Arching the back
- Facial grimacing
- Looking overwhelmed or shutting their eyes tightly
- Falling asleep
Changes in Sucking
One important skill parents learn in the NICU is recognizing the difference between an active suck and a reflexive suckle.
Premature babies have a natural sucking reflex. Sometimes if the bottle nipple is moved in their mouth, they may make small sucking motions. This does not necessarily mean they are actively interested in feeding.
A true feeding suck typically involves stronger, rhythmic jaw movements and coordinated swallowing.
If your baby is only giving occasional light suckles, they are likely no longer interested in the feed.
Breathing Changes
Always pay attention to your baby’s breathing during a feeding.
Signs that your baby needs a break include:
- Breathing very fast (greater than 70 breaths per minute)
- Nasal flaring
- Retractions (seeing the skin pull in between the ribs or under the neck)
- Increased work of breathing
Heart Rate or Oxygen Changes
One of the biggest signs that a feeding should be paused is when your baby:
- Drops their oxygen saturation
- Has a heart rate decrease (bradycardia)
- Stops breathing (apnea)
These events are often accompanied by:
- Choking
- Coughing
- Gagging
- Gulping
These are clear signs that your baby is becoming too tired or overwhelmed by the feeding.
To learn about how to safely feed your baby with side-lying, paced feeding, check out my blog post Paced Feedings in the NICU: Simple Techniques to Support NICU Feeding Success.
Falling Asleep
It is perfectly reasonable to gently loosen the swaddle, burp your baby, or provide mild stimulation to see if they re-engage.
However, if your baby requires repeated stimulation to stay awake, it is usually a sign they are too tired to continue feeding safely.
A feeding should not become a constant effort to keep a baby awake.
What Should You Do When You See These Stop Signs?
If your baby begins showing stress cues:
- Stop the flow of milk by gently tipping the bottle down.
- Allow your baby a moment to catch their breath.
- Remove the bottle if needed.
- Reassess whether your baby is still showing strong feeding cues.
Remember that premature babies do not always recognize when they need a break. Some babies may continue rooting or searching for the nipple even while showing signs of distress.
Safety should always come first!
If your baby repeatedly chokes, coughs, experiences oxygen desaturations, or becomes exhausted, it may be time to stop the bottle feeding and allow the remainder of the feeding to be given through their feeding tube.
Offering a pacifier during tube feedings can still help build positive feeding associations through non-nutritive sucking.
A Common Misconception About Feeding Premature Babies
Many parents understandably think that pushing a baby to finish more of their bottle will help them learn to eat faster and get home sooner.
In reality, the opposite is true.
When babies are repeatedly fed despite showing signs that they are tired or overwhelmed, feeding can become stressful and unpleasant. This may slow feeding progress and can sometimes contribute to feeding aversions.
The goal of cue based feeding is not simply to finish the bottle.
The goal is to help your baby develop safe, positive, and successful feeding experiences.
Over time, these positive experiences help premature babies build endurance, confidence, and feeding skills.
Can You Offer the Bottle Again After a Choking Episode?
Sometimes, yes.
If your baby briefly choked, coughed, or had a small oxygen desaturation but quickly recovered, it may be appropriate to offer the bottle again after a short break if they continue showing strong feeding cues.
However, if your baby repeatedly chokes, coughs, has significant heart rate or oxygen drops, or continues showing stress cues, the feeding should typically be stopped for safety.
Your baby’s NICU team can help guide you through these situations and teach you how to recognize when feeding should continue and when it is time to stop.
The Bottom Line
Cue based feeding for premature babies in the NICU is all about listening to your baby’s signals.
By recognizing both hunger cues and stress cues, you can help create positive feeding experiences that support healthy feeding development.
Remember: feeding success isn’t measured by how many milliliters are finished. It’s measured by helping your baby learn to eat safely, comfortably, and confidently.
Medical Disclosure: The content on this website is provided for informational and educational purposes only and is not intended as medical advice. While I am a NICU nurse, the information shared on this website is based on personal experience, general knowledge, and educational background. It is not a substitute for professional medical advice, diagnosis, or treatment.
Always seek the advice of your physician, pediatrician, or other qualified healthcare provider regarding any medical concerns you may have about yourself or your child. Never disregard professional medical advice or delay seeking it because of something you have read on this website. Use of the information on this site is solely at your own risk.