According to the recall notice, since the product was released in 2009, more than 30 babies have died because of the sleeper, either after they rolled over while unrestrained or in other circumstances.
Doctors advise parents to position babies on their backs in cribs, bassinets or other infant beds, however by the time babies are about three months old, they can roll themselves over - and might do so in their sleep.
The U.S Consumer Product Safety Commission (CPSC), an independent agency of the USA government, warned consumers to immediately stop using the product and to contact Fisher-Price for a refund or voucher.
The company said it would refund purchases for the sleepers.
More information is available on the United States Consumer Product Safety Commission website.
In a statement, obtained by PEOPLE on Friday, Chuck Scothon, general manager at Fisher-Price, said a "child fatality is an unimaginable tragedy". In these instances, infants who were not in restraints rolled over in the Rock 'n Play. The company said that children older than 3 months who have learned how to roll over should not use the "Rock 'N Play".
'This product is deadly and should be recalled immediately, ' Dr. Kyle Yasuda, president of the American Academy of Pediatrics, said at the time.
"The AAP advises against using vehicle seats, strollers, or other devices for sleep because of the risk that a baby could roll or turn into an unsafe position and be incapable of moving, leading to suffocation or strangulation", it said.
The AAP, meanwhile, said it doesn't recommend children using "inclined sleep products like the Rock 'n Play, or any other products for sleep that require restraining a baby". But given the number of deaths, and expert medical advice that babies should sleep on firm, flat surfaces, there were growing calls for the product to be recalled.
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