How many times a day do newborn twins need changing?

Plan for newborn twins' diaper changes, understand wet and dirty diaper counts, and keep a separate record for each baby.

By Womb Mates Team

8 min read · Published 11 October 2026

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Newborn twins may need 8 to 12 diaper changes each in 24 hours, or 16 to 24 changes across both babies, based on the American Academy of Pediatrics' diaper-changing estimate.

Diaper changes do two jobs for newborn twins. They keep both babies clean and comfortable, and they give you a record of each baby's wet and dirty diapers, which can help you notice early if one twin is not getting enough milk. Your pediatrician may use the same record alongside weight checks to judge whether a twin is feeding well.

This article provides general information, not medical advice.

How often should you change newborn twins' diapers?

Change each twin as soon as their diaper is wet or dirty, in line with UNICEF's diaper-changing guidance. Avoid waiting for the other baby to need changing too.

Feeding times can be useful reminders to check both babies. A diaper that needs changing between feeds still needs attention, so avoid treating a shared routine as a reason to wait. Our guide to how often newborn twins feed explains the feeding patterns you may be fitting those checks around.

For planning purposes, 16 to 24 disposable diapers a day would mean about 112 to 168 diapers for a week. Stocking for the higher end of that range gives you a little spare, and you can then adjust your next purchase to how many each baby actually uses and how each size fits.

Should you change twins before or after a feed?

Changing before a feed is often the easiest approach. Undressing and changing a drowsy newborn can help them wake enough to feed, and clinician-reviewed breastfeeding guidance lists a diaper change as one way to wake a sleepy baby before feeds.

With twins, pairing changes with feeding rounds keeps the routine predictable. Changing both babies at the start of a round means each twin begins the feed clean and a little more alert. You can then settle into feeding both without stopping, unless one of them needs a fresh diaper partway through.

Breastfed newborns often need a second change after a feed, because many babies pass a stool soon after each feeding, according to the AAP. A quick check once both babies have finished saves you from discovering a dirty diaper just as a twin falls asleep.

How many wet and dirty diapers should each twin have?

From about 5 to 7 days old, each twin should have 6 or more wet diapers a day, and a breastfed twin should also have at least 3 to 4 yellow, loose stools, according to the AAP's signs that a breastfed baby is getting enough milk.

This table shows how a breastfed baby's diapers build up to that point.

Baby's ageWhat the AAP describes for a breastfed babySource
1-2 days1 or 2 bowel movements a day, with blackish, tarry stoolsAAP breastfeeding guidance
3-4 daysAt least 2 stools a day, beginning to turn greenish to yellowAAP breastfeeding guidance
5-7 days6 or more wet diapers a day with nearly colorless or pale yellow urine, plus at least 3 to 4 yellow, loose stoolsAAP breastfeeding guidance
1-4 weeksOften a stool with each feedingAAP breastfeeding guidance
3-6 weeksSome babies have only one bowel movement a week and are still healthyAAP guidance on bowel movements

Formula-fed twins follow a different stool pattern. Their stools are usually tan or yellow, and the AAP expects at least one bowel movement a day. Wet diapers matter for every baby, whatever the feeding method. The AAP lists fewer than six wet diapers a day in an infant as a sign of dehydration.

The six-diaper benchmark applies from around the end of the first week. Before then, ask your pediatrician or hospital team what each twin's output should look like, especially if either baby was born early or has an individual feeding plan.

Count wet and dirty diapers for each twin separately. A combined total of 12 wet diapers sounds reassuring, but it could hide one twin with 9 and another with 3. Our guide to feeding twins covers the other signs worth watching for each baby, including alertness and weight gain.

How do you manage diaper changes when you are alone with twins?

Change one twin at a time, with supplies within reach and the other baby in a safe place. Set out the clean diaper, wipes or washcloth, spare clothes and disposal bag before starting. If your twins use different sizes, label each supply basket with the baby's name.

The NHS recommends using a changing mat or towel on the floor, particularly when caring for more than one baby. A floor-level setup removes the risk of a fall from a changing table if the other twin needs your attention. Never leave a baby unattended on a raised changing surface.

Keep one hand on the baby during the change. The CDC's home diaper-changing instructions also recommend wiping from front to back, washing the child's hands, cleaning the changing surface and washing your own hands. Complete the hygiene steps between babies.

When should you call the pediatrician about a twin's diapers?

Call your pediatrician if either twin has fewer wet diapers than expected, shows other signs of dehydration, has blood in the diaper after the first week or has a diaper rash that is not improving. Specific signs to watch for include:

  • Fewer than six wet diapers a day once the baby is past the first week, which the AAP lists as a sign of dehydration
  • Other dehydration signs, such as a parched, dry mouth or a sunken soft spot on the head
  • Pink or brick-red stains that keep appearing in the diaper, which the AAP says are usually concentrated urine in the first week but need checking if they persist
  • Blood in the urine or diaper after the first week, which the AAP says is never normal, or large amounts of blood, mucus or water in the stool
  • Signs of pain or distress when peeing
  • Hard or very dry stools, which can mean a baby is not getting enough fluid or is losing too much
  • A diaper rash that lasts more than 2 or 3 days, gets worse, blisters or comes with a fever, as KidsHealth advises

The AAP advises notifying your pediatrician immediately if any warning signs of dehydration develop. Severe signs include peeing only once or twice a day, being excessively sleepy and having cool, discolored hands and feet.

How can you keep track of diaper changes for both twins?

For every change, note which twin it was, the time and what was in the diaper. Add a short note when something looks unusual, such as a change in stool color, a pinkish stain or the start of a rash.

A simple tally works if you only need a daily count. Writing down the time of each change helps when your pediatrician asks about a specific day, or when you want to know how long it has been since a twin last had a wet diaper. The times also make caregiver handoffs easier, because the next person can see each baby's latest change at a glance. When two adults are on duty, agree who logs each change so the same one is not entered twice.

Keeping diaper changes in the same record as feeds makes both more useful, because wet and dirty diapers are part of the answer when your pediatrician asks how a twin is feeding. For a routine every caregiver can follow, see our guide to tracking twin feedings.

Womb Mates is a twin feeding tracker app that logs feeds and diaper changes for both babies in one place. You can log each change as Pee, Poo, Mixed or Dry, mark how much was in the diaper, add a note and adjust the time if you are logging after the event. Caregivers linked to a paid account can log changes from their own phones, and the diaper logging FAQ explains how it works.

Frequently asked questions

What if one twin has fewer wet diapers than the other?

What matters is whether each twin has enough wet diapers for their age, not how the twins compare with each other. From about 5 to 7 days old, the AAP expects 6 or more wet diapers a day. A twin below that level needs a call to your pediatrician, even when the other twin's count looks fine.

Do formula-fed twins need fewer diaper changes than breastfed twins?

Formula-fed twins often need fewer changes because they usually have fewer bowel movements. The AAP expects a formula-fed baby to have at least one bowel movement a day, while breastfed newborns often have one with each feeding during the first month. Wet diapers still need counting for each twin, whichever way they are fed.

When do newborn twins start needing fewer diaper changes?

Diaper changes usually ease off over the first months as stools become less frequent. The AAP notes that by three to six weeks some breastfed babies have only one bowel movement a week and are still healthy, as long as the stools are soft and the baby is feeding and gaining weight well. The drop comes mainly from fewer dirty diapers, so wet diaper counts remain a useful check.

How long can a newborn twin stay in a wet diaper?

Change a newborn twin's wet diaper soon after you notice it, since the AAP advises changing diapers frequently. Moisture from a wet or soiled diaper left on too long can make a baby's skin chafe and lead to diaper rash. KidsHealth adds that a diaper should be changed immediately after a bowel movement.

Is one diaper size enough to buy for both twins?

One diaper size may suit both twins, but choose the fit for each baby separately. Follow the diaper manufacturer's weight and fit guidance, and keep separate supplies if the babies need different sizes. Buying a modest starting supply lets you adjust before stocking up on a size that only fits one twin.

Do twins need exactly the same number of diaper changes?

Twins do not need matching diaper-change totals. Compare each baby's output with the guidance for their own age and feeding plan, rather than trying to make the totals equal. Contact your pediatrician if one baby's output drops or feeding raises concerns, even if the household is still using plenty of diapers.