[Teenage pregnancy: better sex education is necessary].
D000293:Adolescent; D003267:Contraception / Q000451:nursing*; D005260:Female; D005858:Germany; D006301:Health Services Needs and Demand; D006801:Humans; D020407:Internet; D009723:Nurse-Patient Relations; D011247:Pregnancy; D011253:Pregnancy in Adolescence / Q000517:prevention & control*; D012736:Sex Education