Baby Diaper Blowouts and Leaks: When To Change Diaper Size

Choose the Right Diaper Size:


Size is a huge part of finding the right diaper fit for your baby. As you know, babies come in all different shapes and sizes. And just like clothing, diapers fit every baby differently. At Lebrace we take into consideration thousands of babies’ legs, bottoms, and waists to try to ensure our range of diapers and sizes provide a good fit.


Lebrace diaper sizes are organized by weight, and since no two babies are the same shape you will notice some overlap between sizes. In most cases, your baby should be within the weight range for the size you are using. Check out the weight range for each Lebrace diaper size on the packaging before buying to get the right size you want.


Ensuring the Diaper Fits Well:


When a diaper fits well, it should appear straight and equally proportioned on your baby. When you change your baby’s diaper you should also check:


  1. The waist is snug with the diaper just under the belly button.
  2. The leg cuffs wrap neatly around your baby’s legs and bottom. After putting on the diaper, run your fingers around these edges to make sure the cuffs are pulled out. Cuffs being tucked inside are a common cause of leakage.
  3. Stretch: The tapes should be fastened symmetrically on the colored waistband on the front of the diaper. Lebracediapers have flexible sides which adapt to the baby’s shape and movement and help you create a custom fit.

If your little one is still a newborn, you’ll need to be extra careful around the umbilical cord area until it heals completely. Next time we will publish an article about umbilical cord for your baby’s delicate skin as you change his diaper.

Why Do Diapers Leak?


A diaper that is too small can be prone to leaking because there isn’t enough absorbent material for the volume of pee. If your baby is reaching the upper-end of the weight range for the diaper size your baby  is currently wearing, it is probably time to move to the next size. Other signs that your baby’s diaper is too small:


  • Diaper isn’t covering your baby’s bottom completely
  • Red marks around the waist or thighs and signs of chafing, which may indicate the diaper is too tight
  • Diaper is soaking through


Bigger diapers are capable of handling more waste as they have more absorbent material. However, diapers may also leak because they are too big. Make sure that the diaper fits snugly around the waist and thighs by running your fingers around the edges and checking that there are no gaps. If you prefer to have a diaper that is loose-fitting, you may experience leakage as urine and poop comes out through the gaps before it can be absorbed.

Below is the range of Lebrace Baby Diaper sizes from Size 1 to Size 5;

Avoid the Dreaded Diaper Blowout


It’s every mom’s worst fear — poop all over your new baby’s body, clothes, hair, and maybe on you. Blowouts tend to happen at the back of the diaper where it is hard to create a seal. In many cases blowouts happen because of the wrong size diaper or diapers that aren’t fully snug on the baby. It can be hard to ensure a good diaper fit when changing a wriggly baby! Diaper blowouts will happen, so always carry a spare change of clothes for your baby.


Once you get the hang of it, you’ll be changing diapers and avoiding leaks and blowouts with ease – even when you’re out. Just remember, when you head out with your little one, to have your Lebrace diaper bag well stocked so you have everything you’ll need on hand.

By the way, while you’re buying all these lebrace diapers, did you know you could be getting great rewards, like coupons and gifts whenever we are running a promo ?



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