infant sleep

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The Surprising Risk Of Swaddling Your Baby: Hip Troubles

Who knew swaddling your baby could be so risky? I loved swaddling my daughters, and they seemed to calm instantly as I tucked them up in soft flannel cloth, feeling (I imagined) safe, contained and protected.

But, like so many aspects of child-rearing, one wrong move can produce a major screwup. In this case, according to new research published in the journal Archives of Disease In Childhood, improper swaddling can lead to hip dysplasia. (The key to safe swaddling, experts say, is to allow the baby’s legs to bend, rather than wrapping them up with their legs tightly extended and pressed together.)

Infant swaddling has, historically, been a near-universal practice, researchers report, and in recent years it’s enjoyed a popular “resurgence.” Why? Because it genuinely appears to calm kids down with “its perceived palliative effect on excessive crying, colic and promoting sleep,” researchers write. “Approximately 90% of infants in North America are swaddled in the first few months of life.”

StarMama/flickr

StarMama/flickr

While the report found that swaddling did, indeed calm infants, it didn’t help much with colic.

WBUR and NPR’s Here & Now explored the topic today, quoting the study’s lead author — Nicholas Clarke, a consultant orthopaedic surgeon at the Southampton University hospital in the U.K. — on how best to swaddle a baby:

‘Safe swaddling’ with appropriate devices should be promoted because it is recognised that traditional swaddling is a risk factor for DDH [developmental dysplasia of the hip]. In order to allow for healthy hip development, legs should be able to bend up and out at the hips. This position allows for natural development of the hip joints. The babies’ legs should not be tightly wrapped in extension and pressed together. Commercial products for swaddling should have a loose pouch or sack for the babies’ legs and feet, allowing plenty of hip movement and hip flexion and abduction.