The Consumer Product Safety Commission (CPSC) says infants older than 3 months, or those who can roll over, should not use the product.
The USPSC did not reveal the exact causes of the babies' deaths, but said they died after rolling from their stomachs to the backs or sides unrestrained in the sleeper.
The company's general manager, Chuck Scothon said that a "child fatality is an unimaginable tragedy". He also points out that the product "meets all applicable safety standards".
"The latest death was reported last month, said Patty Davis, a spokeswoman with CPSC".
If the Consumer Product Safety Commission is forced to move forward with a full recall, they will do so, a spokesperson said.
"The guidelines went over several important ways that parents can ensure that their children were sleeping safely", Benaroch tells Garcia. The Rock 'N Play is a top seller on Amazon and advertises itself for infant naps and overnight sleep, and comes with a vibration setting to comfort children.
In addition to advising against sleep products like the Rock 'n Play, the AAP also cautions parents against using any other products for sleep that require restraining a baby.
"Make sure that no pillows, blankets or extra padding are placed in the Rock 'n Play sleeper", a statement from Mattel read. "It is essential that the product warnings and instructions are always followed", said Fisher-Price. "When parents purchase a product for their baby or child, many assume that if it's being sold in a store, it must be safe to use". "We are always concerned by reports such as those we are seeing from the U.S".