{"id":"https://openalex.org/W3092094670","doi":"https://doi.org/10.1016/j.contraception.2020.07.012","title":"O4 The levonorgestrel vs. copper intrauterine device for emergency contraception: A non-inferiority randomized controlled trial","display_name":"O4 The levonorgestrel vs. copper intrauterine device for emergency contraception: A non-inferiority randomized controlled trial","publication_year":2020,"publication_date":"2020-10-01","ids":{"openalex":"https://openalex.org/W3092094670","doi":"https://doi.org/10.1016/j.contraception.2020.07.012","mag":"3092094670"},"language":"en","primary_location":{"id":"doi:10.1016/j.contraception.2020.07.012","doi":"https://doi.org/10.1016/j.contraception.2020.07.012","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.contraception.2020.07.012","pdf_url":null,"source":{"id":"https://openalex.org/S82319153","display_name":"Contraception","issn_l":"0010-7824","issn":["0010-7824","1879-0518"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Contraception","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"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/A5042491895","display_name":"David Keith Turok","orcid":"https://orcid.org/0000-0002-6289-0542","observed_orcids":["https://orcid.org/0000-0002-6289-0542"]},"institutions":[{"id":"https://openalex.org/I223532165","display_name":"University of Utah","ror":"https://ror.org/03r0ha626","country_code":"US","type":"education","lineage":["https://openalex.org/I223532165"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D. Turok","raw_affiliation_strings":["Division of Family Planning, University of Utah, Salt Lake City, UT, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Family Planning, University of Utah, Salt Lake City, UT, USA","institution_ids":["https://openalex.org/I223532165"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002699648","display_name":"Alexandra Gero","orcid":"https://orcid.org/0000-0002-0130-0748","observed_orcids":["https://orcid.org/0000-0002-0130-0748"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A. Gero","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038205447","display_name":"Rebecca G. Simmons","orcid":"https://orcid.org/0000-0003-3516-4585","observed_orcids":["https://orcid.org/0000-0003-3516-4585"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. Simmons","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008825264","display_name":"J\u00fcrgen Kaiser","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. Kaiser","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059719975","display_name":"Gregory J. Stoddard","orcid":"https://orcid.org/0000-0002-6292-276X","observed_orcids":["https://orcid.org/0000-0002-6292-276X","https://orcid.org/0009-0005-1923-9956"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G. Stoddard","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113232131","display_name":"Corinne D. Sexsmith","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C. Sexsmith","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010920285","display_name":"Lori M. Gawron","orcid":"https://orcid.org/0000-0003-4431-9729","observed_orcids":["https://orcid.org/0000-0003-4431-9729"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L. Gawron","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5007514982","display_name":"J. M. Sanders","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. Sanders","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3500,"currency":"USD","value_usd":3500},"apc_paid":null,"fwci":0.1915,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.58638938,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"102","issue":"4","first_page":"274","last_page":"274"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10600","display_name":"Reproductive Health and Contraception","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10600","display_name":"Reproductive Health and Contraception","score":1.0,"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/T12096","display_name":"Ectopic Pregnancy Diagnosis and Management","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T13942","display_name":"International Human Rights and Reproductive Law","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3320","display_name":"Political Science and International Relations"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/levonorgestrel-intrauterine-device","display_name":"levonorgestrel intrauterine device","score":0.8820000290870667},{"id":"https://openalex.org/keywords/copper-iud","display_name":"copper intrauterine device","score":0.996999979019165},{"id":"https://openalex.org/keywords/emergency-contraception","display_name":"emergency contraception","score":0.9990000128746033},{"id":"https://openalex.org/keywords/pregnancy-risk","display_name":"pregnancy risk","score":0.8149999976158142},{"id":"https://openalex.org/keywords/non-inferiority","display_name":"non-inferiority","score":0.9240000247955322},{"id":"https://openalex.org/keywords/contraceptive-efficacy","display_name":"contraceptive efficacy","score":0.5730000138282776}],"concepts":[{"id":"https://openalex.org/C2780186607","wikidata":"https://www.wikidata.org/wiki/Q416950","display_name":"Levonorgestrel","level":5,"score":0.9845031499862671},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8670254945755005},{"id":"https://openalex.org/C2777964154","wikidata":"https://www.wikidata.org/wiki/Q741027","display_name":"Emergency contraception","level":5,"score":0.8492577075958252},{"id":"https://openalex.org/C2776810592","wikidata":"https://www.wikidata.org/wiki/Q899868","display_name":"Intrauterine device","level":5,"score":0.6565213203430176},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.606690526008606},{"id":"https://openalex.org/C2779076696","wikidata":"https://www.wikidata.org/wiki/Q1280670","display_name":"Family planning","level":4,"score":0.5560480952262878},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.5534939765930176},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.4922126829624176},{"id":"https://openalex.org/C168563851","wikidata":"https://www.wikidata.org/wiki/Q1436668","display_name":"Randomized controlled trial","level":2,"score":0.47850504517555237},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.4615839123725891},{"id":"https://openalex.org/C2986817661","wikidata":"https://www.wikidata.org/wiki/Q185698","display_name":"Research methodology","level":3,"score":0.28115612268447876},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.14199015498161316},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.10352462530136108},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.contraception.2020.07.012","doi":"https://doi.org/10.1016/j.contraception.2020.07.012","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.contraception.2020.07.012","pdf_url":null,"source":{"id":"https://openalex.org/S82319153","display_name":"Contraception","issn_l":"0010-7824","issn":["0010-7824","1879-0518"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Contraception","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.9907000064849854,"display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/clinical-trial","display_name":"Clinical Trial"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3122624349","https://openalex.org/W4403185681","https://openalex.org/W2162722786","https://openalex.org/W4409638072","https://openalex.org/W4366430281","https://openalex.org/W2128349812","https://openalex.org/W4239111159","https://openalex.org/W2115977486","https://openalex.org/W3120494539","https://openalex.org/W2288921779"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2020-10-15T00:00:00"}