A/RES/61/146 (f) Putting in place strategies, policies and programmes that identify and address those factors that make individuals particularly vulnerable to HIV infection in order to complement prevention programmes that address activities that place individuals at risk for HIV infection, such as risky and unsafe behaviour and injecting drug use; (g) Designing and implementing programmes to provide social services and support to pregnant adolescents and adolescent mothers, in particular by enabling them to continue and complete their education; Violence against children 13. Welcomes the United Nations study on violence against children, led by the independent expert for the study, 18 takes fully into account its recommendations, and encourages Member States and requests United Nations entities, regional organizations and civil society, including non-governmental organizations, to widely disseminate and follow up on the study; 14. Commends the independent expert for the participatory process through which the report was prepared in close collaboration with Member States, United Nations bodies and organizations, other relevant intergovernmental organizations and civil society, including non-governmental organizations, and in particular for the unprecedented level and quality of participation by children; 15. Condemns all forms of violence against children, and urges States to take effective legislative and other measures to prevent and eliminate all such violence, including physical, mental, psychological and sexual violence, torture, child abuse and exploitation, hostage-taking, domestic violence, trafficking in or sale of children and their organs, paedophilia, child prostitution, child pornography, child sex tourism, gang-related violence and harmful traditional practices in all settings; 16. Also condemns the abduction of children, in particular extortive abduction and abduction of children in situations of armed conflict, including for the recruitment and use of children in armed conflicts, and urges States to take all appropriate measures to secure their unconditional release, rehabilitation, reintegration and reunification with their families; 17. Urges States: (a) To strengthen efforts to prevent and protect children from all forms of violence through a comprehensive approach and to develop a multifaceted and systematic framework to respond to violence against children, including by giving priority attention to prevention and addressing its underlying causes, which is integrated into national planning processes; (b) To strive to change attitudes that condone or normalize any form of violence against children; (c) To end impunity for perpetrators of crimes against children, investigate and prosecute such acts of violence and impose appropriate penalties; _______________ 18 See A/61/299. 5