The new study, published online and in the April issue of Pediatrics, showed that cribs/mattresses “were the second most common source of injury and were associated with the majority of nursery product-related fatalities.”

The study states that it’s likely that sudden unexpected infant death accounted for many of the fatalities recorded.

“Sleep environment hazards play a key role in infant injury, especially sudden unexpected infant death, and health care practitioners should counsel caregivers to not place bumper pads or soft objects, such as blankets or pillows, in the crib because of the risk of strangulation, entrapment, and suffocation,” reads the article. “Caregivers should only use the firm, snugly fitting mattress designed for their crib and never use supplemental mattresses, which may increase the risk of entrapment and suffocation.”

Since 2011, the American Academy of Pediatrics has recommended against bumper pad use due to the risk of injury.

The study found that nursery product-related injuries were most commonly associated with:

• Baby carriers (19.5 percent)
• Cribs/mattresses (18.6 percent)
• Strollers/carriages (16.5 percent)
• Baby walkers/jumpers exercisers (16.2 percent)

Nearly 1.4 million nursery product-related injuries among children aged 3 and under were treated in emergency departments in the United States during the 21-year study.

During the time span, of the 0.2 percent of injuries that resulted in death:

• 80.2 percent were younger than 1 year old
• 86.9 percent were breathing related
• 73.4 percent were associated with cribs/mattresses

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• Safe sleep: Young moms, are you listening?
• What is the Fort Worth Safe Infant Sleep Initiative?
• 8 ways swaddling your baby increases risk of injury or death