The latest employee benefit? Helping workers have babies.

More companies are offering to cover the costs of fertility treatments and other family-building services for workers, as they look for ways to recruit talent and stand out from their competitors in a tight labor market.

Old requirements — like a diagnosis of infertility in a heterosexual couple before covering in vitro fertilization — are becoming a relic of the past as employers expand and extend basic benefits to singles and same-sex couples who want to become parents.

With qualified employees in short supply and many dropping out of the workforce amid the "Great Resignation," a number of major companies are rolling out family planning benefits.