"Fallstudiensammlung." . . "Embarazo en la adolescencia Estados Unidos Baltimore (Maryland) Prevención Estudio de casos." . . "Grossesse chez l'adolescente Maryland Baltimore Cas, Études de." . . "Servicios de salud materna Estados Unidos Baltimore (Maryland) Estudio de Casos." . . "USA." . . "Baltimore (Md.)" . . "Urban Population United States Statistics." . . "Pregnancy in Adolescence United States Statistics." . . "Teenager." . . "Mères adolescentes Maryland Baltimore Cas, Études de." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Adolescent pregnancy in an urban environment issues, programs, and evaluation" . "Adolescent pregnancy in an urban environment issues, programs, and evaluation"@en . "Adolescent pregnancy in an urban environment : issues, programs, and evaluation" . "Case studies"@en . "Case studies" . . . "Mutter." . . "Schwangerschaft." . . "Adolescent United States." . . "Control de la natalidad Estudio y enseñanza Estados Unidos Baltimore (Maryland) Estudio de casos." . . "Grossesse chez l'adolescente Maryland Baltimore Prévention Cas, Études de." . . "Risk Factors United States Statistics." . . . . "Mères Soins médicaux Maryland Baltimore Cas, Études de." . . "Régulation des naissances Étude et enseignement Maryland Baltimore Cas, Études de." . . "Health Services Accessibility United States Statistics." . . "Minderjährigkeit." . . "Embarazo en la adolescencia Estados Unidos Baltimore (Maryland) Estudio de casos." . . "Parenting United States Statistics." . . "Health Education United States Statistics." . .