Faced with the problem of rapid population growth due to the post-war baby boom, the World Health Organization assembled a team of population control and family planning experts in the 1960's and sent them to third world countries in Asia and Africa to promote maternity and child hygiene and family planning.
西元一九六○年代，聯合國世界衛生組織為瞭解決戰後嬰兒潮帶來的人口快速增加問題，結集了一批人口控制與家庭醫學專家，到亞、非洲等第三世界國家推展婦幼衛生與家庭計畫。