Nipple Shield for Breastfeeding: How to Use, Size, Wean, and Choose the Right One

A nipple shield is one of the most useful — and most misunderstood — breastfeeding tools available. Used correctly, it can save a breastfeeding journey that is on the edge of ending. Used incorrectly, or without understanding when to start weaning off it, it can create new problems.

This guide covers everything you need to know about silicone nipple shields for breastfeeding: what they are, how to apply one properly, how to find the right size across all major brands, when they help and when they do not, and how to transition away from one when your baby is ready. It also addresses the question most guides ignore — what to do between feeds to help sore nipples recover while you are using a shield.

What Is a Nipple Shield and When Do You Need One?

A nipple shield is a thin, flexible silicone cover that fits over the nipple and areola during breastfeeding, creating a firmer shape that helps babies who struggle with direct latch due to flat nipples, prematurity, or tongue-tie. It has a dome that creates shape for baby to latch onto, small holes at the tip for milk to flow through, a wide brim that seals against the areola, and a cut-out near the base that allows baby's nose to maintain skin-to-skin contact with your breast.

Nipple shields are a feeding tool — they are used only during breastfeeding and removed immediately after each feed. They are not healing devices, not nipple protectors for between feeds, and not a permanent solution. They are a bridge that helps baby feed while an underlying latch issue is being addressed.

The Cleveland Clinic identifies several situations where nipple shields are clinically appropriate:

• Flat or inverted nipples: The dome draws out the nipple shape, giving baby a firmer surface to grasp. Many mothers with flat nipples find that after several weeks of shield use, the nipple tissue becomes more protractile and direct latch becomes possible. For specific techniques, see our flat nipples breastfeeding guide.
• Premature babies with weak suck: Preemies often lack the muscle strength for sustained direct latch. The shield's firmer shape requires less effort to compress, allowing baby to feed more efficiently and conserve energy.
• Tongue-tie affecting latch depth: Until a tongue-tie is assessed and potentially released, a shield can maintain breastfeeding by compensating for restricted tongue movement.
• Breast refusal after bottle use: Babies who have become accustomed to a bottle's firmer artificial nipple sometimes refuse the softer breast. A shield bridges the texture difference during the transition back to direct feeding.
• Severe nipple pain or damage: When nipples are so damaged that direct feeding is unsustainable, a shield reduces friction during the feed itself — buying time for the nipples to begin recovering between sessions. For treatment options, see our cracked nipples treatment guide.

How to Use a Nipple Shield: Step by Step

Correct nipple shield application is a five-step process that takes under 30 seconds once practiced, but incorrect technique — particularly skipping the inversion step — is the most common cause of shield failure and milk leaking around the edges. The most common mistakes are skipping the inversion step (which means no suction seal) and positioning the shield off-center (which causes milk to leak around the edges rather than flowing through the tip holes).

Step 1: Moisten the brim

Wet the inner edge of the brim with a few drops of water or expressed breast milk. This creates the initial tackiness needed for the silicone to grip your skin. A dry shield does not seal properly.

Step 2: Partially invert the shield

Hold the shield by the edges and gently turn the brim back — not all the way inside out, just enough to fold the brim inward. This is the step that creates the suction mechanism. When you release it onto your breast, the brim will unfold outward and pull flat against the areola, forming a vacuum seal.

Step 3: Center over the nipple

Place the shield directly over your nipple so the nipple tip sits inside the dome without pressing against the sides. The nose cut-out should face upward — this is where baby's nose will rest. If the cut-out faces down or sideways, reposition before releasing.

Step 4: Release and seal

Let the inverted brim unfold against your areola. You should feel a gentle suction as the silicone flattens. Smooth any air bubbles outward from the center. The shield should sit flat without curling at the edges.

Step 5: Latch baby deeply

Bring baby to the breast using the same technique you would for direct breastfeeding — nose to nipple, wait for a wide gape, chin leading. Baby should take the entire dome and part of the brim into their mouth, not just the tip. Listen for rhythmic swallowing sounds, which confirm that milk is flowing through the holes effectively. For detailed latch techniques, see our positioning and latch guide.

Nipple Shield Sizes: How to Find the Right Fit

Nipple shield sizing is determined by nipple diameter measured at the base in millimeters, plus approximately 2mm for a comfortable fit — not by breast size, areola size, or the brand's label name. A shield that is too small pinches the nipple, restricts milk flow, and causes pain. A shield that is too large leaves excess empty space inside the dome, reduces suction, and makes it harder for baby to compress the shield effectively.

How to measure

Measure the diameter of your nipple at the base — not the areola, not the breast, just the nipple where it meets the areola. Use a soft measuring tape or a ruler held against the base. Measure in millimeters. Then add approximately 2mm for a comfortable fit inside the dome.

Size ranges across major brands

Every brand uses slightly different sizing, and not all brands offer the same range. A "medium" at one brand may be equivalent to a "small" at another — always check the mm measurement, never rely on the label alone.

The key takeaway: Medela Contact and Momcozy offer the widest range (16/20/24mm), covering most mothers. Lansinoh skips the small size. Philips Avent uses unusual mm values (15mm and 21mm) that do not align with other brands. MAM caps at 20mm, making it a better fit for smaller nipples and preemies. Haakaa offers only one universal size, which limits customization.

When to Use a Nipple Shield (and When Not To)

Nipple shield use is clinically appropriate when there is a specific, identifiable latch problem that the shield resolves — not as a general pain prevention tool when the underlying cause of pain has not been identified. Understanding the distinction prevents unnecessary dependency and ensures the shield serves its intended bridge function.

When a shield helps

• Flat or inverted nipples that prevent latch formation
• Premature baby with weak or disorganized suck
• Baby refusing breast after bottle use (nipple confusion transition)
• Severe nipple trauma making direct feeding unsustainable while the underlying cause is being addressed
• Tongue-tie — as a temporary bridge until assessment and potential release

When a shield is NOT the right solution

• General nipple soreness with a correct latch: Some tenderness in the first week is normal and resolves without intervention. A shield adds an unnecessary variable.
• Undiagnosed latch problems: If the cause of pain is unclear, a shield may mask the symptom without fixing the root issue. Seek a lactation consultant assessment first.
• Low milk supply concerns: A shield can reduce milk transfer efficiency. If supply is already a concern, adding a shield may worsen it. Address supply issues before introducing a shield. For supply strategies, see our milk supply guide.
• Between-feed nipple protection: A silicone shield is designed for feeding only. Between feeds, different tools serve nipple recovery better — expressed breast milk, air drying, and friction barriers that do not interfere with the next latch.

Best Nipple Shields by Use Case

The best nipple shield is the one that matches your specific latch problem, nipple size, and baby's feeding stage — there is no single shield that works for everyone. Here is how the major options compare by use case.

How to Wean Off a Nipple Shield

Nipple shield weaning is a gradual transition from shield-assisted feeding to direct breastfeeding, ideally beginning when breastfeeding is established, baby is gaining weight consistently, and there is evidence that the underlying latch issue has improved — typically between 2 and 6 weeks of shield use.

Removing the shield abruptly often leads to frustration for both mother and baby. These strategies, recommended by La Leche League International and IBCLCs, progress from least to most direct:

• Offer direct breast first at every feed. Start each session without the shield. If baby refuses or cannot latch after 2–3 minutes, apply the shield and continue. Over time, the duration of successful direct feeding before needing the shield will increase.
• Remove mid-feed after let-down. Once milk is flowing and baby is in a rhythmic suck-swallow pattern, quickly break the latch, remove the shield, and re-latch directly. The active milk flow often helps baby accept the direct breast because they are immediately rewarded with easy milk.
• Try direct latch during drowsy feeds. When baby is sleepy — just waking from a nap, or during a nighttime feed — they are less likely to resist the change. Drowsy babies often latch more readily without the shield than fully alert babies.
• Maximize skin-to-skin contact. Extended skin-to-skin time (not only during feeds) encourages baby's natural rooting and latching reflexes. Babies who spend more time skin-to-skin often transition off shields faster.
• Try different positions. Some babies accept direct latch more easily in laid-back or side-lying positions where gravity and instinct play a larger role. If you have been using the shield exclusively in cradle hold, try the same weaning attempt in a different position. For position options, see our positioning and latch guide.

If weaning attempts cause significant stress or baby loses weight, pause and return to the shield. There is no urgency — continued shield use is not harmful as long as baby is feeding effectively and gaining weight. Some mothers use shields for several months without negative impact.

Between-Feed Nipple Recovery

Between-feed nipple recovery is the interval care routine that protects and supports sore nipples after the shield is removed and before the next feeding session — a critical step that most nipple shield guides skip entirely. A silicone shield protects your nipple during the feed, but the moment you remove it, your nipple is exposed to bra fabric, dried milk adhesion, and friction until the next feed. What you do in that interval directly affects how quickly damaged nipples recover.

After removing the shield, let your nipples air dry for 30–60 seconds. Then apply 1–2 drops of expressed breast milk to the nipple surface. The La Leche League has long recognized that expressed breast milk applied topically supports the skin's natural recovery process — and it is the only substance that does not interfere with the shield's suction seal at the next feed.

What to avoid between feeds when you use a shield: Thick lanolin, nipple balms, and oil-based creams leave a greasy residue that prevents the silicone from forming a suction seal. If you apply lanolin after a feed and do not thoroughly clean it before the next feed, the shield will slip. This is one of the most common frustrations reported by shield users — and it is entirely avoidable by switching to non-greasy between-feed recovery methods.

What works for between-feed recovery: Expressed breast milk applied topically is the baseline. For friction protection, silver nursing cups create a smooth dome barrier that prevents bra fabric from contacting sore nipples — and because they leave no residue, they do not affect the shield's adhesion at the next session. Hydrogel pads offer cooling relief for acute soreness but must be removed and cleaned before reapplying the shield. Air drying is always beneficial when practical.

For a side-by-side comparison of different silver nipple covers options — including the differences between 925 sterling, 999 pure, and trilaminate silver — see our complete selection guide.

When to See a Lactation Consultant

A lactation consultation is recommended whenever nipple shield use is initiated, when the shield is not resolving the original latch problem, or when weaning attempts are unsuccessful — because the shield is a tool, not a treatment plan. Professional support helps ensure the shield is being used correctly and that the underlying issue is being addressed rather than masked. Contact an International Board Certified Lactation Consultant (IBCLC) if:

• Baby is not gaining weight adequately despite regular feeding with the shield. This may indicate insufficient milk transfer through the shield.
• You are unsure about sizing. An IBCLC can assess your nipple dimensions and recommend the correct size — this single adjustment resolves many shield-related problems.
• Pain continues or worsens with the shield. The shield should make feeding more comfortable, not more painful. Persistent pain usually means incorrect size, poor positioning, or an undiagnosed condition like thrush. See our thrush guide for symptoms.
• You want to wean but baby refuses direct breast. A consultant can observe a feed, assess baby's oral anatomy (including tongue-tie), and develop a personalized weaning plan.
• You suspect tongue-tie. If baby has difficulty latching even with a shield, tongue-tie or lip-tie should be assessed. A shield is a bridge, not a substitute for addressing a structural restriction.
• Supply concerns develop. If your milk supply drops after starting shield use, a consultant can assess transfer efficiency, recommend pumping strategies, and help protect supply while the shield is in use. For more on maintaining supply, see our milk supply guide.

The American Academy of Pediatrics recommends exclusive breastfeeding for six months. Lactation support in the early weeks — especially when tools like nipple shields are involved — significantly increases the likelihood of reaching that goal. The WIC Breastfeeding program provides free lactation support for qualifying families. Many hospitals offer outpatient lactation clinics in the first weeks postpartum.