[Pregnancy in adolescence and its problems].
D000293:Adolescent; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007558:Italy; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D014481:United States
Gravidanza nell'adolescenza e suoi problemi.