There are several things to consider when buying clothing for an early baby, particularly those in NICU or SCBU - this guide covers the basic equipment used in neonatal units. If the baby is small but not needing medical assistance, any style in the right sizing will be ok, while a more premature baby will have monitoring and oxygen requirements that the clothing should allow for.
Sizing and Fit:
Clothes that fit the baby correctly mean that the baby can use energy for growing, instead of trying to stay warm. Our clothing sizes are measured by the baby's weight because this is the most accurate way to get the correct fit. For more info on our sizing check out our Size Guide.
Clothing that fits snugly, especially around the neckline, chest and sleeves is best. We don't recommend buying dolls or teddy bear clothing - a premature baby hasn't had the chance to gain additional weight like a full-term infant so the clothes will probably be quite baggy. Toys' clothing are often made from cheap fabrics which are not ideal for delicate premmie skin. Merino is highly recommended due to its ability to help with baby's temperature regulation.
Incubators and Body Temperature:
When a very premature baby is born they cannot regulate their own body temperature, so an incubator keeps them consistently warm. During this time they usually don’t wear anything other than a nappy and sometimes a hat, as the differences in clothing and fabric types would make it hard to keep the baby at an even temperature. The incubator is gradually lowered to room temperature as the baby grows. Once baby is big enough (in most cases they must weigh over 1.4kg - 3lbs), they be can moved into an open cot and dressed in appropriate clothing.
For babies who need assistance breathing (such as CPAP, high flow or low flow oxygen) tops and bodysuits that are pulled on over the head are awkward. Putting clothing over the head can also knock the nasal prongs that rest just inside baby’s nostrils.
Depending on the type of breathing equipment, the prongs may be held in place on the baby’s cheeks with a type of adhesive medical tape. Babies can be discharged to home while still needing oxygen, so front opening or 'kimono' style clothing can be very helpful.
Along with the oxygen, they would often also be on a cardio respiratory monitor. This has 3 small discs attached with an aqua-gel to baby’s chest, with leads (or wires) that connect the discs to the monitor. Front opening clothing - with domes or velcro, not zips - allows for the leads to be easily threaded out through the clothing. See our NICU Clothing section for a range of items made especially for babies in neonatal care.
Finally, a probe is usually wrapped around the baby’s foot, to measure the oxygen saturation in the blood. This also has a lead that connects it to the monitor, so footed pants would mean the lead would have to run the whole way up the leg and then out at the waist. For this reason most of the pants in our range do not have feet - regular pants or all in one styles with domes or velcro down the legs are best.
Every baby is unique, some babies will be into newborn size clothing within a week or two of their due date, whereas others still fit prem sizes for a quite a while after coming home.
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