The term refers to variety in work-family careers open to those who become parents. (Brannen).
“Diversity management programmes, while considering the needs of working parents, tend to overlook the needs of diverse parents such as those with disabled children.” (Lewis, Kagan, & Heaton, 2000).

As defined by Brannen. Lewis, S., Kagan, C., & Heaton, P. (2000). Managing work-family diversity for parents of disabled children: Beyond policy to practice and partnership. Personnel Review, 29(3), 417-30.