{"id":"https://openalex.org/W2415160271","doi":"https://doi.org/10.2307/2134236","title":"Probabilities of Intercourse and Conception Among U.S. Teenage Women, 1971 and 1976","display_name":"Probabilities of Intercourse and Conception Among U.S. Teenage Women, 1971 and 1976","publication_year":1979,"publication_date":"1979-05-01","ids":{"openalex":"https://openalex.org/W2415160271","doi":"https://doi.org/10.2307/2134236","mag":"2415160271","pmid":"https://pubmed.ncbi.nlm.nih.gov/477914"},"language":"en","primary_location":{"id":"doi:10.2307/2134236","doi":"https://doi.org/10.2307/2134236","is_oa":false,"landing_page_url":"https://doi.org/10.2307/2134236","pdf_url":null,"source":{"id":"https://openalex.org/S183165437","display_name":"Family Planning Perspectives","issn_l":"0014-7354","issn":["0014-7354","2325-5617"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310316115","host_organization_name":"Guttmacher Institute","host_organization_lineage":["https://openalex.org/P4310316115"],"host_organization_lineage_names":["Guttmacher Institute"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Family Planning Perspectives","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110823890","display_name":"Melvin Zelnik","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Melvin Zelnik","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100387376","display_name":"Young Jin Kim","orcid":"https://orcid.org/0000-0002-6235-6550","observed_orcids":["https://orcid.org/0000-0002-6235-6550","https://orcid.org/0000-0002-3878-3085"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Young J. Kim","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5103802800","display_name":"John F. Kantner","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"John F. Kantner","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":56.5545,"has_fulltext":false,"cited_by_count":62,"citation_normalized_percentile":{"value":0.99908574,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"11","issue":"3","first_page":"177","last_page":"177"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10327","display_name":"Adolescent Sexual and Reproductive Health","score":0.9872999787330627,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10327","display_name":"Adolescent Sexual and Reproductive Health","score":0.9872999787330627,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10600","display_name":"Reproductive Health and Contraception","score":0.011800000444054604,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13332","display_name":"Historical Studies on Reproduction, Gender, Health, and Societal Changes","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/1202","display_name":"History"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/teenage-pregnancy","display_name":"adolescent pregnancy","score":0.8029999732971191},{"id":"https://openalex.org/keywords/adolescent-sexual-behavior","display_name":"adolescent sexual behavior","score":0.7170000076293945},{"id":"https://openalex.org/keywords/premarital-sex","display_name":"premarital sex","score":0.8159999847412109},{"id":"https://openalex.org/keywords/premarital-pregnancy","display_name":"premarital pregnancy","score":0.8769999742507935},{"id":"https://openalex.org/keywords/age-at-sexual-debut","display_name":"age at first sexual intercourse","score":0.5389999747276306},{"id":"https://openalex.org/keywords/conception-rate","display_name":"conception rate","score":0.4440000057220459},{"id":"https://openalex.org/keywords/united-states","display_name":"United States","score":0.3659999966621399}],"concepts":[{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.6947083473205566},{"id":"https://openalex.org/C2781289737","wikidata":"https://www.wikidata.org/wiki/Q17070897","display_name":"National Survey of Family Growth","level":5,"score":0.6194890141487122},{"id":"https://openalex.org/C85079727","wikidata":"https://www.wikidata.org/wiki/Q3560114","display_name":"Quarter (Canadian coin)","level":2,"score":0.6153761148452759},{"id":"https://openalex.org/C2778750047","wikidata":"https://www.wikidata.org/wiki/Q477172","display_name":"Premarital sex","level":3,"score":0.6124153733253479},{"id":"https://openalex.org/C2780202899","wikidata":"https://www.wikidata.org/wiki/Q5873","display_name":"Sexual intercourse","level":3,"score":0.5586357712745667},{"id":"https://openalex.org/C160050368","wikidata":"https://www.wikidata.org/wiki/Q132453","display_name":"Developed country","level":3,"score":0.5130216479301453},{"id":"https://openalex.org/C2779076696","wikidata":"https://www.wikidata.org/wiki/Q1280670","display_name":"Family planning","level":4,"score":0.47163912653923035},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.4613596796989441},{"id":"https://openalex.org/C518429986","wikidata":"https://www.wikidata.org/wiki/Q964401","display_name":"Fertility","level":3,"score":0.4229237735271454},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.39386555552482605},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3340533375740051},{"id":"https://openalex.org/C2986817661","wikidata":"https://www.wikidata.org/wiki/Q185698","display_name":"Research methodology","level":3,"score":0.18732208013534546},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.10297992825508118},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.08795544505119324},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000206","descriptor_name":"Actuarial Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000206","descriptor_name":"Actuarial Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000206","descriptor_name":"Actuarial Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000293","descriptor_name":"Adolescent","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000293","descriptor_name":"Adolescent","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000293","descriptor_name":"Adolescent","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001741","descriptor_name":"Black or African American","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001741","descriptor_name":"Black or African American","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001741","descriptor_name":"Black or African American","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003075","descriptor_name":"Coitus","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D003075","descriptor_name":"Coitus","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D003075","descriptor_name":"Coitus","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008393","descriptor_name":"Marriage","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008393","descriptor_name":"Marriage","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008393","descriptor_name":"Marriage","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011253","descriptor_name":"Pregnancy in Adolescence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011253","descriptor_name":"Pregnancy in Adolescence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011253","descriptor_name":"Pregnancy in Adolescence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011336","descriptor_name":"Probability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011336","descriptor_name":"Probability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011336","descriptor_name":"Probability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D044465","descriptor_name":"White People","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D044465","descriptor_name":"White People","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D044465","descriptor_name":"White People","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.2307/2134236","doi":"https://doi.org/10.2307/2134236","is_oa":false,"landing_page_url":"https://doi.org/10.2307/2134236","pdf_url":null,"source":{"id":"https://openalex.org/S183165437","display_name":"Family Planning Perspectives","issn_l":"0014-7354","issn":["0014-7354","2325-5617"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310316115","host_organization_name":"Guttmacher Institute","host_organization_lineage":["https://openalex.org/P4310316115"],"host_organization_lineage_names":["Guttmacher Institute"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Family Planning Perspectives","raw_type":"journal-article"},{"id":"pmid:477914","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/477914","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Family planning perspectives","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.9476000070571899,"display_name":"Good health and well-being"}],"sustainable_development_goals_aurora":[{"id":"https://metadata.un.org/sdg/3","score":0.8600000143051147,"display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":1,"referenced_works":["https://openalex.org/W2444019831"],"related_works":["https://openalex.org/W2325359364","https://openalex.org/W2159751374","https://openalex.org/W2200298327","https://openalex.org/W2751118756","https://openalex.org/W2397338630","https://openalex.org/W2582236365","https://openalex.org/W2214073606","https://openalex.org/W2026968736","https://openalex.org/W2463459474","https://openalex.org/W2584908283"],"abstract_inverted_index":{"One":[0,22],"in":[1,23,39],"five":[2],"U.S.":[3,25],"females":[4],"have":[5,56],"had":[6],"intercourse":[7],"by":[8,13,65],"age":[9,14,30],"16,":[10],"and":[11,37],"two-thirds,":[12],"19.":[15],"Almost":[16],"all":[17],"the":[18,66],"experience":[19],"is":[20],"premarital.":[21,45],"10":[24,40],"women":[26],"get":[27],"pregnant":[28],"before":[29,33,60],"17;":[31],"one-quarter":[32,64],"they":[34,61,68],"are":[35,44,52,69],"19,":[36,63],"eight":[38],"of":[41,49],"these":[42],"pregnancies":[43],"More":[46],"than":[47],"one-third":[48],"those":[50],"who":[51],"sexually":[53],"active":[54],"premaritally":[55],"a":[57],"premarital":[58],"pregnancy":[59],"turn":[62],"time":[67],"17.":[70]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-09-24T07:57:37.273135","created_date":"2025-10-10T00:00:00"}