(g) Providing gender-sensitive and child-sensitive social protection systems, which are key to ensuring poverty reduction, including, as appropriate, targeted cash transfers for families in vulnerable situations, as can be the case of families headed by a single parent, in particular those headed by women or by children, and which are most effective in reducing poverty when accompanied by other measures, such as providing access to basic services, high-quality education, affordable quality childcare services and health-care services;