Table of Contents

Last Updated: September 13, 2026

Why Your Latch Drives Your Milk Supply

If you want to know how to increase milk supply with better latching, the short answer is this: milk production runs on supply and demand, and the latch is what places the order. Every time your baby removes milk effectively, your body receives the signal to make more.

A shallow latch changes that equation. When your baby takes only the nipple instead of a generous mouthful of breast tissue, milk transfer drops, the breast doesn't empty well, and production gradually slows. This guide from Luna Lullaby walks through what a deep latch looks like, how to position for one, and what to do when feeding hurts or your baby won't latch at all. Luna Lullaby has spent more than 20 years designing feeding support used by parents and lactation professionals, so we've heard these questions many times.

Luna Lullaby® V-Shaped Nursing Pillow | Lively Floral Design | Designed by a Feeding Specialist • Made in the USA
Luna Lullaby® V-Shaped Nursing Pillow | Lively Floral Design | Designed by a Feeding Specialist • Made in the USA
Key Takeaway Milk supply is built on frequent, effective milk removal. Improving the latch is usually the fastest route to improving supply, because it fixes the removal, not just the demand.

Signs of a Good Breastfeeding Latch (and What a Shallow Latch Looks Like)

A good breastfeeding latch is one where your baby takes a deep mouthful of breast tissue, feeds with visible jaw movement and audible swallowing, and leaves you feeling tugging rather than pinching. Signs of a good breastfeeding latch include rounded cheeks, a wide-open mouth at the start of the feed, and a nipple that looks the same shape after feeding as it did before.

What a Deep Latch Looks Like, Step by Step

Most guides tell you a deep latch is important but never describe what you're actually looking at. Here's a walk-through you can use at the next feed, from the moment your baby opens to the moment they settle into a rhythm.

  1. The approach. Your baby's head tilts back slightly, chin leading, nose aimed toward the nipple. The chin should touch breast tissue first, not the nose.
  2. The gape. You're waiting for a wide, yawning open mouth, like a big bite of a sandwich. A half-open mouth usually means a shallow take.
  3. The take. As the chin presses in, the nipple rolls back toward the roof of the mouth and lands far back near the soft palate. The gums close on breast tissue well behind the nipple, not on the nipple itself.
  4. The seal. Both lips flange outward, the upper lip rests lightly, the lower lip rolls out and down. You should see more breast below the nipple than above it, because the baby takes more of the underside into the mouth.
  5. The motion. The jaw moves in a deep, rhythmic wave you can see and feel, and the temples or ears may wiggle slightly with each suck. Cheeks stay round and full, not dimpled or sucked in.
  6. The sound. Once milk starts flowing, you'll hear soft swallowing, a quiet "kah" sound, between bursts of sucking. Sucking alone, with no swallowing, is a sign milk isn't transferring well.
  7. The finish. When your baby comes off, the nipple should look round and roughly the same shape as before the feed. A nipple that comes out flattened, creased, or lipstick-shaped is telling you the latch was too shallow.

What a Shallow Latch Looks and Feels Like

A shallow latch is the mirror image of everything above. The baby takes only the nipple and a thin strip of tissue, the gums compress the nipple itself, and milk transfer drops. You may notice:

  • Nipple pain that continues through the whole feed, not just the first few seconds
  • Clicking or smacking sounds during feeding
  • Cheeks that dimple or pull inward instead of staying round
  • A nipple that comes out flattened, creased, or lipstick-shaped
  • Feeds that stretch past 45 minutes with a baby who still seems hungry
  • The baby slipping off the breast repeatedly or falling asleep before finishing
Watch Out Pushing through sharp nipple pain to "toughen up" usually makes things worse. Ongoing pain is a signal the latch needs adjustment, and untreated damage can reduce milk transfer, which then reduces supply. If pain persists past the first week, or you notice cracking, bleeding, or a fever, reach out to an IBCLC or your healthcare provider.

Why the First Few Seconds Matter

A brief tug or stretch as your baby draws the nipple deep is normal. Pain that fades within the first 10 to 20 seconds and never returns usually means the latch settled correctly. Pain that starts sharp and stays sharp, or gets worse as the feed goes on, almost always means the latch is too shallow and needs to be broken and redone. If you're unsure which one you're feeling, break suction with a clean finger, sit your baby up, and try again, a re-latch costs nothing and often fixes the problem immediately.

Breastfeeding Positions for Deep Latch and Better Milk Transfer

Different breastfeeding positions for deep latch work better for different bodies and different babies. The cradle hold, cross-cradle hold, and football hold are the three most commonly taught, and each gives you a different angle for guiding your baby's head and chin.

A mother sitting comfortably in a chair nursing her newborn, supported by a V-shaped nursing pillow across her lap, soft natural light from a nearby window, calm and warm home setting
A mother sitting comfortably in a chair nursing her newborn, supported by a V-shaped nursing pillow across her lap, soft natural light from a nearby window, calm and warm home setting

Aim the baby's chin toward the breast and nose toward the nipple, then bring baby to breast rather than breast to baby. Support the head at the base of the skull, not the back of the head, so your baby can tilt their head back and open wide.

Using a V-Shaped Nursing Pillow for Steady Positioning

Positioning drift is one of the most common reasons a good latch falls apart mid-feed. The Luna Lullaby V-shaped nursing pillow is designed by a speech-language pathologist and feeding specialist to hold a steady position across your lap, and its V-shape adapts to different body types and feeding positions in a way a fixed C-shape often doesn't. It works for breastfeeding and bottle feeding, and parents of twins can use it to support one baby while positioning the other. If you're shopping, the Luna Lullaby V-Shaped Nursing Pillow in Lively Floral is a good starting point.

How to Tell if Baby Is Getting Enough Milk

You can tell if your baby is getting enough milk by watching output and behavior rather than by how full your breasts feel. Wet diapers, dirty diapers, steady weight gain, and a baby who settles after most feeds are the practical markers. Physical comfort during these frequent nursing sessions also relies on the structural support provided by a proper bra fitting to ensure that your changing body remains adequately accommodated.

  • Six or more wet diapers in 24 hours after the first week (the CDC)
  • Regular bowel movements that shift in color and texture over the early weeks
  • Audible swallowing during feeds, not just sucking
  • A baby who seems content for a stretch after feeding
  • Weight tracking upward at pediatric visits

If you're worried, count diapers for two or three days and bring the notes to your baby's doctor. They can check weight and growth directly, which is far more reliable than guessing from how a feed felt.

Fixing Latch Pain Without Guessing

Latch pain has a cause, and it's usually one of four things: a shallow latch, a positioning problem, a fast or forceful letdown, or tension in the baby's mouth and jaw. Rather than trying everything at once, change one variable per feed and note what improves.

A Pain-to-Cause Troubleshooting Table

Most articles tell you to "check the latch" and stop there. The table below maps the specific sensation you're feeling to the most likely cause and the first thing to try. Use it as a starting point, not a diagnosis, if pain continues, an IBCLC can observe a full feed and assess what's happening in real time.

What you feel Likely cause First thing to try
Sharp pinch at the start that fades Shallow initial latch Break suction, sit baby up, relatch chin-first with a wider gape
Pain that builds through the whole feed Shallow latch or poor positioning Change position (try football or laid-back), check that baby's ear, shoulder, and hip are aligned
Burning or stinging between feeds Possible nipple damage or infection See an IBCLC and your healthcare provider, burning between feeds is not a latch issue alone
Pain on one side only Positioning or anatomy difference on that side Try a different hold on the painful side; check for a clog or tender area
Pain with a fast, spraying letdown Forceful letdown Lean back, feed in a reclined position, or express a little before latching
Pain plus clicking or slipping Shallow latch or oral tension Reposition chin-first; if slipping continues after two position changes, ask an IBCLC about oral function
Pain at the base of the nipple, like a crease Baby's tongue compressing the nipple instead of breast tissue Deepen the latch; check that the lower lip is flanged out, not tucked in

Working Through It One Change at a Time

Start by breaking the suction with a clean finger if the latch is painful, then relatch. Try a different position. If your letdown is forceful, leaning back slightly or feeding in a reclined position can slow the flow. If the pain is on one side only, that side may need a different hold or a check for a clog.

Maternal stress also affects the letdown reflex, and a tense, rushed feed is harder for both of you. A calm environment and a comfortable setup are not luxuries, they're part of the mechanics. When your shoulders are up around your ears and you're bracing the baby's weight with your arms, your body reads that as tension, and letdown can stall. A pillow that holds the baby at breast height lets you drop your shoulders and breathe, which is one of the simplest things you can change.

Pro Tip If you're coming from a C-shaped pillow, expect the V-shape to feel different for the first few feeds. The open front means no bulky cushion between you and your baby, which makes it easier to see the latch and adjust it in real time. The Luna Lullaby V-shaped pillow is designed by a speech-language pathologist and feeding specialist to hold a steady position across your lap, and its V-shape adapts to different body types and feeding positions in a way a fixed C-shape often doesn't.

When Pain Isn't a Latch Problem

Some pain isn't fixable with a better latch. If you notice a fever, a red or painful breast, flu-like symptoms, or burning that continues between feeds, those need medical attention rather than latch troubleshooting. A lactation consultant and your healthcare provider often work together on feeding concerns, and reaching out early is almost always easier than waiting.

When to See a Lactation Consultant About Latching

See a lactation consultant when pain persists past the first week, when your baby isn't gaining weight as expected, or when feeds regularly take more than an hour (womenshealth.gov). An International Board Certified Lactation Consultant (IBCLC) can observe a full feed, assess oral function, and check for ties or transfer issues that are hard to spot on your own.

Reach out sooner if you notice a fever, a red or painful breast, or flu-like symptoms, since those need medical attention rather than latch troubleshooting (mayoclinic.org). A lactation consultant and your healthcare provider often work together on feeding concerns.

What to Do When Baby Won't Latch at All

When a baby won't latch, keep the milk moving while you work on the latch itself. Hand expression and pumping protect supply and give you milk to offer by bottle or spoon in the meantime.

Try skin-to-skin contact before every attempt, since it calms both of you and encourages instinctive feeding behavior. Offer the breast when your baby is alert but not frantic, and stop an attempt before it becomes a struggle. If several days pass without a successful latch, involve an IBCLC rather than continuing to push through.

Situation First Step When to Escalate
Pain through the whole feed Break suction, relatch deeper Pain past one week with an IBCLC
Baby clicks or slips off Reposition chin-first Repeated slipping after position changes
Feeds over 45 minutes Check swallowing and diaper counts No weight gain at the next visit
Baby refuses the breast Skin-to-skin, then hand express More than a day of full refusal

Frequently Asked Questions

How does a deep latch stimulate milk production?

A deep latch lets your baby draw in more breast tissue, so the tongue and jaw can compress the milk ducts and move milk efficiently. That effective milk removal signals your body to keep producing. When milk stays in the breast because a latch is shallow, production tends to slow over time. This is why supply and demand work together: the better the latch, the more milk your baby transfers, and the stronger the signal to your body to make more. If latching stays painful or your baby seems to slip off, an IBCLC can check the latch in person.

What are the signs of a shallow latch?

With a shallow latch you may notice pinching or rubbing at the nipple, flattened or lipstick-shaped nipples after feeds, clicking or smacking sounds, and milk leaking from the corners of your baby's mouth. Your baby may feed often but seem unsatisfied. A good breastfeeding latch usually feels like firm tugging rather than sharp pain, and you should hear steady swallowing. If pain lasts the whole feed or your nipples crack and bleed, get help from a lactation consultant rather than pushing through.

How can I tell if my baby is transferring milk effectively?

Look for rhythmic sucking with audible swallowing, especially after your letdown reflex kicks in. Your breasts should feel softer after a feed, and your baby should seem relaxed and drowsy rather than frantic. Wet and dirty diapers are the most reliable day-to-day sign. If your baby nurses for long stretches but still seems hungry, or weight gain is slower than your pediatrician expects, ask for a weighted feed with an IBCLC. That measures how much milk your baby actually takes in during one session.

Can a poor latch lead to a decrease in milk supply?

Yes. Milk supply works on supply and demand, so milk that stays in the breast tells your body to make less. A shallow or painful latch often means your baby is not emptying the breast well, and over days or weeks that can lower production. Fixing the latch usually comes first, then frequent feeding and breast compression help rebuild supply. If you are worried about a drop, contact an IBCLC early. Small changes to positioning and latch often make a real difference before supply problems become harder to reverse.


Building a comfortable feeding rhythm takes time, and the right support makes it easier to keep going. Luna Lullaby's V-shaped nursing pillow is designed by a feeding specialist and made in the USA, giving you steady positioning for breastfeeding or bottle feeding so you can focus on your baby instead of your setup. Explore the full Luna Lullaby collection and find the pillow that fits your body and your feeding style.

— Dana Doss