title: Preventing illegitimate teenage pregnancy through systems interaction.
mesh_terms: D000293:Adolescent; D001955:British Columbia; D002669:Child Welfare; D005260:Female; D006126:Group Processes; D006801:Humans; D007086:Illegitimacy; D008297:Male; D011247:Pregnancy; D012736:Sex Education; D012947:Social Work; D014837:Voluntary Health Agencies