Breastfeeding Basics: Latch, Supply, Common Problems and When to Get Help

A good latch should feel like a tug, not a pinch, and most soreness that lasts past the first few days usually points to a latch or positioning issue that can be fixed. Milk supply typically builds over the first week as your body responds to frequent feeding, and problems like engorgement, clogged ducts, or mastitis are common and usually treatable. Reach out to a lactation consultant or your baby’s doctor early if feeding is painful, your baby isn’t producing enough wet diapers, or you notice fever or spreading breast redness.

Medical Disclaimer: This page is for general education only. It is not medical advice, diagnosis, or treatment, and reading it does not create a provider-patient relationship. Talk with a licensed healthcare provider about your specific situation. If you are having a medical emergency, call 911 or go to the nearest emergency room. See our full Medical Disclaimer.

Warning Signs to Get Help Right Away

Most breastfeeding struggles are not emergencies, but a few signs deserve prompt medical attention rather than a wait-and-see approach.

For your baby, contact their doctor promptly if you notice:

Fewer than the expected number of wet or dirty diapers for their age (see the checklist below)
Unusual sleepiness, difficulty waking for feeds, or a weak cry
Yellowing of the skin or eyes (possible jaundice)
Ongoing weight loss beyond what your pediatrician says is expected, or no weight gain by the two-week checkup
Signs of dehydration, such as a sunken soft spot or very dark urine

For you, contact your provider promptly if you notice:

A fever, chills, or flu-like body aches along with breast pain
A red, swollen, or hot area on the breast that is spreading or getting worse
Nipple pain severe enough that you’re avoiding feeding on one side
A breast lump that doesn’t soften after feeding or pumping

If you’re having a medical emergency, call 911 or go to the nearest emergency room.

Getting a Good Latch

A deep, comfortable latch is the foundation of breastfeeding that works well for both of you. It takes practice, and most people get better at it over the first days and weeks — a rough start doesn’t mean it won’t improve.

Signs of a good latch include:

Your baby’s mouth is open wide, with lips flanged outward, not tucked in
More of the areola is visible above your baby’s top lip than below the bottom lip
You hear or see swallowing, not just quick, fluttery sucking
Feeding feels like a tug or pull, not a sharp pinch
Your nipple looks round after the feed, not flattened, creased, or blanched white

Signs the latch may be too shallow:

Nipple pain that continues through the whole feed or gets worse over the first week
Clicking or smacking sounds while feeding
Cracked, blistered, or bleeding nipples
Your baby seems to feed constantly but still seems unsatisfied afterward

If a latch hurts, it’s okay to gently break the suction with a clean finger in the corner of your baby’s mouth and try again. Trying different holds, feeding skin-to-skin, and letting your baby help lead the latch can all make a difference. If pain continues past the first week, a lactation consultant can watch a full feed and help identify what’s happening — sometimes an underlying issue like tongue-tie is involved, and that’s something only a clinician can evaluate.

What to Expect With Milk Supply in the First Weeks

In the first few days, your body produces colostrum, a thick, concentrated early milk made in small amounts. Your milk typically becomes more plentiful within the first several days after birth as your body responds to your baby’s feeding. Frequent, effective feeding in these early days — generally around 8 to 12 times in 24 hours for a newborn — is one of the main ways your body learns how much milk to make.

Cluster feeding, where your baby wants to feed very often over a few hours, especially in the evening, is common and doesn’t necessarily mean your supply is low. Growth spurts can also temporarily increase how often your baby wants to feed. These patterns can be exhausting, but they’re a normal part of how supply adjusts to demand.

What to check before acting on Breastfeeding Basics

Because you can’t measure ounces at the breast, doctors generally look at output and growth instead. A general day-by-day pattern for wet diapers looks like this:

Day 1–2: At least 1–2 wet diapers per day
Day 3–4: At least 3 wet diapers per day, and stools starting to turn from dark to a lighter, seedier color
Day 5 onward: At least 6 wet, heavy diapers per day, with regular soft, yellow, seedy stools
Steady weight gain confirmed at pediatrician visits, after an expected initial weight dip in the first few days
Your baby seems satisfied and relaxed after most feeds
You can hear or see swallowing during feeds

If your baby isn’t meeting this general pattern, or you’re worried about supply for any reason, don’t wait it out on your own — a weight check with your pediatrician or a visit with a lactation consultant can tell you much more than guessing.

Common Breastfeeding Problems

Sore or Cracked Nipples

Some tenderness in the first few days is common, but pain that continues or worsens usually points to a latch problem rather than something you just have to push through. Adjusting position, breaking and re-trying the latch, and letting nipples air dry after feeds can help. Persistent cracking or bleeding is a reason to get a latch check rather than switching to nipple creams alone.

Engorgement

When your milk increases, breasts can become full, firm, and uncomfortable, sometimes making it harder for your baby to latch. Feeding often, hand-expressing a small amount before latching to soften the breast, and using cold compresses between feeds for comfort can help. Engorgement that isn’t relieved by feeding, or that comes with fever, deserves a call to your provider.

Clogged Ducts

A clogged duct usually feels like a tender, localized lump without fever. Frequent feeding, gentle massage toward the nipple, and varying feeding positions can help it resolve. If a lump doesn’t improve over a couple of days, or you develop fever or spreading redness, contact your provider — it may be progressing toward mastitis.

Mastitis

Mastitis is inflammation of the breast tissue that can happen when milk isn’t draining well, and it can sometimes lead to infection. Signs include a red, warm, painful area on one breast, often paired with fever or flu-like body aches. You can generally keep breastfeeding or pumping on the affected side, since this helps drain the breast — but mastitis with fever, worsening symptoms, or no improvement within a day or two needs a call to your provider, since antibiotics are sometimes needed.

Concerns About Low Milk Supply

True low supply is less common than people often fear, and frequent feeding, cluster feeding, or a fussy evening don’t automatically mean your body isn’t making enough. That said, some situations — a baby who isn’t gaining weight as expected, very few wet diapers, or a health condition affecting milk production — do call for professional evaluation rather than home remedies. A lactation consultant or your baby’s doctor can assess feeding and, if needed, talk through options.

When to Get Lactation or Medical Support

It’s reasonable to reach out for help earlier rather than later. Consider getting support if any of the following apply:

Feeding is painful past the first week, even after trying different positions
You’re not seeing the wet diaper or weight pattern described above
You notice a breast lump, fever, or spreading redness
You’re considering supplementing, weaning, or switching feeding methods and want to understand your options
You just feel like something isn’t right — that instinct is a valid reason to ask for a feeding check

A lactation consultant (often listed as an IBCLC) can watch a full feed and troubleshoot latch and positioning in detail. Your baby’s pediatrician can track growth and rule out medical causes. Both are appropriate places to start, and you don’t need to choose just one.

What remains uncertain about Breastfeeding Basics

Some situations change what “normal” looks like and deserve closer, individualized guidance from a clinician:

Premature or medically fragile babies, who may need a different feeding plan
Babies with a diagnosed tongue-tie or other oral anatomy differences affecting latch
Parents taking prescription medications, since not all drugs are equally compatible with breastfeeding — ask your prescriber or pharmacist rather than guessing
Parents who have had prior breast surgery, which can sometimes affect milk supply
Multiples (twins or more), which usually benefits from lactation support given the added feeding demands

This article covers general patterns seen in typical, healthy term newborns. It isn’t a personalized feeding plan, doesn’t cover every possible complication, and doesn’t address every individual health condition that can affect breastfeeding. A clinician who knows your and your baby’s history is the right source for guidance specific to your situation.

Reader questions on Breastfeeding Basics

How long should a breastfeeding session take?

There’s no fixed time that applies to everyone. Some babies feed efficiently in 10–15 minutes, while others take longer, especially in the early weeks. Watching for signs your baby is actively swallowing and seems satisfied afterward is generally more useful than watching the clock.

Is it normal for one breast to produce more milk than the other?

Yes, it’s common for one side to produce somewhat more than the other, especially if your baby has a preference for that side. This usually isn’t a cause for concern on its own, but a large or sudden difference is worth mentioning to a lactation consultant.

Can I keep breastfeeding through a clogged duct or mastitis?

In most cases, continuing to breastfeed or pump on the affected side is part of how these are managed, since it helps keep milk moving. However, symptoms that don’t improve, or come with fever, should be evaluated by your provider rather than managed alone.

When does breastfeeding typically stop hurting?

Mild tenderness in the first few days, especially at the start of a feed, is common and often eases as latch improves. Pain that is severe, continues through entire feeds, or is getting worse after the first week isn’t something to just wait out — it’s a good reason to get a latch check.

Educational Disclaimer

This article is for general educational purposes only and is not medical advice, diagnosis, or treatment. It does not create a provider-patient relationship and is not a substitute for individualized care from a licensed healthcare provider or lactation consultant. Always talk with a qualified clinician about your own or your baby’s specific situation, including before starting, stopping, or changing any feeding plan, medication, or supplement. If you are having a medical emergency, call 911 or go to the nearest emergency room. See our full Medical Disclaimer.