Quick Answer

A good latch is deep and comfortable: your baby has a wide-open mouth with a big mouthful of breast, their lips are flared outward like fish lips, their chin is pressed into the breast, their cheeks look full and rounded, and you can hear steady swallowing. Crucially, it should not hurt, and how it feels matters even more than how it looks (Office on Women's Health). A bad, or shallow, latch is the opposite: sharp or ongoing nipple pain, lips tucked inward, dimpled cheeks, clicking sounds, and a nipple that comes out pinched or lipstick-shaped (Cleveland Clinic). A poor latch can lead to sore, cracked nipples and a baby who does not drain the breast well. The good news is that most latch problems are fixable with better positioning, and a lactation consultant can help.

Author: Mylo Editorial Team, Mylo Parenting Desk
Medically reviewed by: Mylo Editorial Board, aligned with WHO, NHS and Office on Women's Health guidance
Last updated: 29 July 2026

Medical Disclaimer: This article is for informational purposes only and is not a substitute for professional medical advice. If breastfeeding is painful, your nipples are cracked or bleeding, or your baby is not gaining weight well, please see a lactation consultant, doctor or your health visitor. Persistent latch problems can sometimes be due to tongue-tie or other issues that need assessment.

Key Takeaways

• A good latch is deep, comfortable and pain-free; how it feels matters most (Office on Women's Health).

• Look for a wide mouth, flanged lips, chin on the breast, and full cheeks.

• A bad latch usually causes nipple pain and a pinched, lipstick-shaped nipple afterward (Cleveland Clinic).

• Clicking sounds and dimpled cheeks are classic signs of a shallow latch.

• A poor latch can lead to sore nipples and a breast that is not drained well, which can affect supply (WHO).

• Most latch problems are fixable with positioning: nose to nipple, wide gape, then bring baby to the breast.

• See a lactation consultant if pain continues or your baby is not feeding well.

Good Latch vs Bad Latch: The Visual Checklist

Signs of a Good Latch

• Your baby's mouth is wide open and takes in a good portion of the areola, not just the nipple, with the nipple sitting far back where it is soft (Office on Women's Health).

• The lips are flanged outward, both top and bottom, like a fish.

• The chin touches or presses into the breast, and the nose is free or just brushing it.

• The cheeks are full and rounded, not hollowed.

• You see a rhythmic suck-swallow pattern and can often hear swallowing, sometimes with the ears wiggling slightly.

• It feels comfortable. There may be a strong tugging sensation, but it should not be painful.

• Your baby comes off calm and relaxed, and your nipple looks rounded, not squashed.

Signs of a Bad or Shallow Latch

• Nipple pain that is sharp, pinching or continues throughout the feed. This is the most important warning sign.

• Cracked, sore or bleeding nipples, or a nipple that looks flattened, pinched or lipstick-shaped after feeding (Cleveland Clinic).

• Clicking or smacking sounds, which suggest your baby is losing suction.

• Dimpled or sucked-in cheeks during feeding.

• Lips tucked inward rather than flared out.

• Your baby slips off repeatedly, feeds for a very long time, or seems unsatisfied.

• Over time, poor weight gain, fewer wet nappies, or engorgement from a breast that is not draining well.

The Quick Latch Checklist

Run through these visual cues at the start of a feed:

1. Positioning: your baby's head, shoulders and hips are in a straight line, tummy turned toward you, and well supported.

2. Nose to nipple: line your baby's nose up with your nipple so they tip their head back slightly.

3. Wide gape: wait for a wide-open mouth, like a yawn, before bringing them on.

4. Chin leads: bring your baby to the breast chin first, so the nipple aims toward the roof of their mouth.

5. Big mouthful: aim for more of the areola in the mouth, especially underneath.

6. Check comfort: if it pinches, gently break the suction with a clean finger and try again.

How to Fix a Shallow or Painful Latch

• Re-latch when it hurts. Slide a clean finger into the corner of your baby's mouth to break the seal, then start again. Do not pull your baby off against suction.

• Bring the baby to the breast, not the breast to the baby. Support your baby so they can tip back and open wide.

• Try different positions. Laid-back (reclined) feeding, the cross-cradle hold, or the rugby or football hold can all help you get a deeper latch.

• Aim the nipple high. Point it toward the roof of the mouth so more breast goes underneath.

• Flip the lips out. Gently roll a tucked lip outward once latched, without breaking the seal.

• Get expert help early. An IBCLC lactation consultant can watch a feed, correct the latch hands-on, and check for issues such as tongue-tie.

Why a Good Latch Matters

A good latch is not just about comfort. When your baby is latched deeply, they remove milk effectively, which keeps you comfortable and signals your body to keep making plenty of milk. A shallow latch does the opposite: it can cause pain and damage, and because the breast is not drained well, it can gradually reduce your supply (WHO). In other words, fixing the latch often fixes several problems at once.

A Note on Latch and Milk Supply

It is worth being clear about this, because it is easy to reach for the wrong solution. A latch problem is mechanical: it is about how your baby is attached, and no food, drink or supplement can fix a latch. The fix is better positioning and, when needed, hands-on help from a lactation consultant. That said, if a poor latch has reduced how well the breast is drained, your supply can dip, and once the latch is corrected, frequent feeding rebuilds it. Some mothers also use traditional lactation blends to support supply alongside a good diet, for example Mylo LactoMama™ Lactation Granules, which use shatavari as the hero ingredient. Sort out the latch first; treat supplements only as supply support, never as a substitute for a good latch.

Myths vs Facts

Frequently Asked Questions

What is the difference between a good latch and a bad latch?
A good latch is deep, comfortable and pain-free, with a wide mouth, flared lips, chin on the breast and full cheeks. A bad latch is shallow and often painful, with tucked lips, dimpled cheeks and a pinched nipple afterward (Cleveland Clinic).

How do I know if my baby is latching correctly?
Check the visual cues: a wide mouth with a big mouthful of breast, flanged lips, chin pressed in, full cheeks, and steady swallowing, all without pain. If it feels comfortable and your baby is feeding well, the latch is likely good.

Why does breastfeeding hurt?
The most common reason is a shallow latch. If you feel sharp or ongoing pain, break the suction gently and re-latch, aiming for a deeper attachment. Persistent pain needs a lactation consultant's help.

What is a shallow latch?
It is when your baby takes in mostly the nipple rather than a good mouthful of breast. It often causes pain, clicking sounds, dimpled cheeks and a lipstick-shaped nipple, and it does not drain the breast well.

How do I fix a bad latch?
Improve positioning, line the nose up with the nipple, wait for a wide gape, bring your baby on chin first, and re-latch if it hurts. Different holds can help, and an IBCLC can correct it hands-on.

Can a bad latch affect my milk supply?
Yes. A shallow latch does not remove milk well, so over time it can reduce your supply. Fixing the latch and feeding frequently usually restores it (WHO).

Can a supplement fix my latch?
No. A latch is about how your baby is attached, which only positioning and technique can fix. Supplements are used to support supply, not to correct a latch.

When should I see a lactation consultant?
If pain continues despite re-latching, your nipples are cracked or bleeding, or your baby is not gaining weight or feeding well, see an IBCLC lactation consultant promptly.

References

1. Office on Women's Health (U.S. Department of Health and Human Services). Getting a good latch. womenshealth.gov

2. Office on Women's Health (U.S. Department of Health and Human Services). Breastfeeding checklist: How to get a good latch. womenshealth.gov

3. Cleveland Clinic. Getting a Good Breastfeeding Latch. my.clevelandclinic.org

4. World Health Organization (NCBI Bookshelf). The physiological basis of breastfeeding: signs of good and poor attachment. ncbi.nlm.nih.gov

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