Teenagers, contraception, and pregnancy.
D000293:Adolescent; D000367:Age Factors; D000554:Ambulatory Care Facilities; D000569:Americas; D001723:Birth Rate; D003142:Communication; D003150:Community Health Workers; D003376:Counseling; D003695:Delivery of Health Care; D003710:Demography; D019049:Developed Countries; D004493:Education; D005193:Family Planning Services; D005298:Fertility; D006126:Group Processes; D006262:Health; D006268:Health Facilities; D006282:Health Personnel; D006285:Health Planning; D006761:Hospitals; D009656:North America; D009726:Nurses; D009934:Organization and Administration; D010298:Parity; D010414:Pennsylvania; D010865:Pilot Projects; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012106:Research; D012736:Sex Education; D012940:Social Problems; D012947:Social Work; D014481:United States
Adolescents; Adolescents, Female; Age Factors; Americas; Clinic Activities; Communication; Counseling; Counselors; Delivery Of Health Care; Demographic Factors; Developed Countries; Education; Family Planning; Family Planning Education; Family Planning Personnel; Family Planning Programs; Fertility; Fertility Measurements; Group Meetings; Health; Health Facilities; Health Personnel; Hospitals; North America; Northern America; Nulliparity; Nurses; Organization And Administration; Parity; Pennsylvania; Pilot Projects; Population; Population Characteristics; Population Dynamics; Program Activities; Programs; Research Methodology; Social Problems; Social Workers; Studies; United States; Youth