Police believe Megan Huntsman, 39, gave birth to all of the infants and killed them between 1996 and 2006.
At least six of them were born alive, police said.
According to investigators, Huntsman admitted to police that she either suffocated or strangled the babies immediately after they were born.
Huntsman's ex-husband and some family members found a newborn infant's body when they were cleaning out the garage on April 12. Huntsman hasn't lived in the home since 2011 and currently lives in West Valley City, according to police.
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