Tarehe 26 Septemba ni Siku ya Ulimwengu ya kupanga uzazi, iliyotengwa kwa uhamasishaji na uboreshaji wa elimu kuhusu afya ya kuzaa na ngono, ikiwa na lengo la dunia ambayo mimba inahitajika. Inasaidiwa na kikundi cha Serikali na Mashirika ya kimataifa yasiyo ya kiserikali, ikijumuisha baraza la Asian Pacific Council kuhusu Uzuiaji mimba, Centro Latinamericano Salud y Mujer, European Society of Contraception and Reproductive Health, German Foundation for World Population, International Federation of Pediatric and Adolescent Gynecology, International Planned Parenthood Federation, Marie Stopes International, Population Services International, Population Council, United States Agency for International Development (USAID), na Women Deliver.