{"id":"https://openalex.org/W3169562828","doi":"https://doi.org/10.1111/aogs.14203","title":"Effect of second\u2010trimester sonographic cervical length on the risk of spontaneous preterm delivery in different risk groups: A prospective observational multicenter study","display_name":"Effect of second\u2010trimester sonographic cervical length on the risk of spontaneous preterm delivery in different risk groups: A prospective observational multicenter study","publication_year":2021,"publication_date":"2021-06-07","ids":{"openalex":"https://openalex.org/W3169562828","doi":"https://doi.org/10.1111/aogs.14203","mag":"3169562828","pmid":"https://pubmed.ncbi.nlm.nih.gov/34096036"},"language":"en","primary_location":{"id":"doi:10.1111/aogs.14203","doi":"https://doi.org/10.1111/aogs.14203","is_oa":true,"landing_page_url":"https://doi.org/10.1111/aogs.14203","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/aogs.14203","source":{"id":"https://openalex.org/S192518766","display_name":"Acta Obstetricia Et Gynecologica Scandinavica","issn_l":"0001-6349","issn":["0001-6349","1600-0412"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","doyens","jufo-2","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320449","host_organization_name":"Informa","host_organization_lineage":["https://openalex.org/P4310320449"],"host_organization_lineage_names":["Informa"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Acta Obstetricia et Gynecologica Scandinavica","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/aogs.14203","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5002018561","display_name":"Tove Wikstr\u00f6m","orcid":"https://orcid.org/0000-0002-4208-8667","observed_orcids":["https://orcid.org/0000-0002-4208-8667"]},"institutions":[{"id":"https://openalex.org/I2801112325","display_name":"Sahlgrenska University Hospital","ror":"https://ror.org/04vgqjj36","country_code":"SE","type":"healthcare","lineage":["https://openalex.org/I2801112325"]},{"id":"https://openalex.org/I881427289","display_name":"University of Gothenburg","ror":"https://ror.org/01tm6cn81","country_code":"SE","type":"education","lineage":["https://openalex.org/I881427289"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Tove Wikstr\u00f6m","raw_affiliation_strings":["Center of Perinatal Medicine and Health, Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden","Department of Obstetrics, Sahlgrenska University Hospital, Gothenburg, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center of Perinatal Medicine and Health, Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden","institution_ids":["https://openalex.org/I881427289"]},{"raw_affiliation_string":"Department of Obstetrics, Sahlgrenska University Hospital, Gothenburg, Sweden","institution_ids":["https://openalex.org/I2801112325"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028249851","display_name":"Henrik Hagberg","orcid":"https://orcid.org/0000-0003-3962-1448","observed_orcids":["https://orcid.org/0000-0003-3962-1448"]},"institutions":[{"id":"https://openalex.org/I2801112325","display_name":"Sahlgrenska University Hospital","ror":"https://ror.org/04vgqjj36","country_code":"SE","type":"healthcare","lineage":["https://openalex.org/I2801112325"]},{"id":"https://openalex.org/I881427289","display_name":"University of Gothenburg","ror":"https://ror.org/01tm6cn81","country_code":"SE","type":"education","lineage":["https://openalex.org/I881427289"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Henrik Hagberg","raw_affiliation_strings":["Center of Perinatal Medicine and Health, Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden","Department of Obstetrics, Sahlgrenska University Hospital, Gothenburg, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center of Perinatal Medicine and Health, Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden","institution_ids":["https://openalex.org/I881427289"]},{"raw_affiliation_string":"Department of Obstetrics, Sahlgrenska University Hospital, Gothenburg, Sweden","institution_ids":["https://openalex.org/I2801112325"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091876255","display_name":"Bo Jacobsson","orcid":"https://orcid.org/0000-0001-5079-2374","observed_orcids":["https://orcid.org/0000-0001-5079-2374"]},"institutions":[{"id":"https://openalex.org/I2801112325","display_name":"Sahlgrenska University Hospital","ror":"https://ror.org/04vgqjj36","country_code":"SE","type":"healthcare","lineage":["https://openalex.org/I2801112325"]},{"id":"https://openalex.org/I881427289","display_name":"University of Gothenburg","ror":"https://ror.org/01tm6cn81","country_code":"SE","type":"education","lineage":["https://openalex.org/I881427289"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Bo Jacobsson","raw_affiliation_strings":["Center of Perinatal Medicine and Health, Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden","Department of Obstetrics, Sahlgrenska University Hospital, Gothenburg, Sweden"],"raw_orcid":"https://orcid.org/0000-0001-5079-2374","affiliations":[{"raw_affiliation_string":"Center of Perinatal Medicine and Health, Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden","institution_ids":["https://openalex.org/I881427289"]},{"raw_affiliation_string":"Department of Obstetrics, Sahlgrenska University Hospital, Gothenburg, Sweden","institution_ids":["https://openalex.org/I2801112325"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036941812","display_name":"Pihla Kuusela","orcid":"https://orcid.org/0000-0001-9915-1201","observed_orcids":["https://orcid.org/0000-0001-9915-1201"]},"institutions":[{"id":"https://openalex.org/I4210107627","display_name":"S\u00f6dra \u00c4lvsborg Hospital","ror":"https://ror.org/01qas6g18","country_code":"SE","type":"healthcare","lineage":["https://openalex.org/I4210107627"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Pihla Kuusela","raw_affiliation_strings":["S\u00f6dra \u00c4lvsborg Hospital Bor\u00e5s Sweden"],"raw_orcid":"https://orcid.org/0000-0001-9915-1201","affiliations":[{"raw_affiliation_string":"S\u00f6dra \u00c4lvsborg Hospital Bor\u00e5s Sweden","institution_ids":["https://openalex.org/I4210107627"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021219838","display_name":"Jan Wesstr\u00f6m","orcid":"https://orcid.org/0000-0003-1907-1071","observed_orcids":["https://orcid.org/0000-0003-1907-1071"]},"institutions":[{"id":"https://openalex.org/I4210090261","display_name":"Falun Hospital","ror":"https://ror.org/009ek3139","country_code":"SE","type":"healthcare","lineage":["https://openalex.org/I4210090261"]},{"id":"https://openalex.org/I4210130039","display_name":"Center for Clinical Research Dalarna","ror":"https://ror.org/03qp8ma69","country_code":"SE","type":"facility","lineage":["https://openalex.org/I123387679","https://openalex.org/I4210130039","https://openalex.org/I4210144481"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Jan Wesstr\u00f6m","raw_affiliation_strings":["Center for Clinical Research Dalarna, Falu Hospital, Falun, Sweden"],"raw_orcid":"https://orcid.org/0000-0003-1907-1071","affiliations":[{"raw_affiliation_string":"Center for Clinical Research Dalarna, Falu Hospital, Falun, Sweden","institution_ids":["https://openalex.org/I4210090261","https://openalex.org/I4210130039"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031463086","display_name":"Peter Lindgren","orcid":"https://orcid.org/0000-0001-5493-3402","observed_orcids":["https://orcid.org/0000-0001-5493-3402"]},"institutions":[{"id":"https://openalex.org/I1335113835","display_name":"Karolinska University Hospital","ror":"https://ror.org/00m8d6786","country_code":"SE","type":"healthcare","lineage":["https://openalex.org/I1335113835"]},{"id":"https://openalex.org/I28166907","display_name":"Karolinska Institutet","ror":"https://ror.org/056d84691","country_code":"SE","type":"education","lineage":["https://openalex.org/I28166907"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Peter Lindgren","raw_affiliation_strings":["Center for Fetal Medicine, Karolinska University Hospital, Stockholm, Sweden","Department of Clinical Science, Intervention and Technology, Karolinska Institute, Stockholm, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Fetal Medicine, Karolinska University Hospital, Stockholm, Sweden","institution_ids":["https://openalex.org/I1335113835"]},{"raw_affiliation_string":"Department of Clinical Science, Intervention and Technology, Karolinska Institute, Stockholm, Sweden","institution_ids":["https://openalex.org/I28166907"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113847132","display_name":"Helena Fadl","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I26437253","display_name":"\u00d6rebro University","ror":"https://ror.org/05kytsw45","country_code":"SE","type":"education","lineage":["https://openalex.org/I26437253"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Helena Fadl","raw_affiliation_strings":["Department of Obstetrics and Gynecology Faculty of Medicine and Health \u00d6rebro University \u00d6rebro Sweden"],"raw_orcid":"https://orcid.org/0000-0002-2691-7525","affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology Faculty of Medicine and Health \u00d6rebro University \u00d6rebro Sweden","institution_ids":["https://openalex.org/I26437253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048440817","display_name":"Ulla\u2010Britt Wennerholm","orcid":"https://orcid.org/0000-0003-2475-2226","observed_orcids":["https://orcid.org/0000-0003-2475-2226"]},"institutions":[{"id":"https://openalex.org/I2801112325","display_name":"Sahlgrenska University Hospital","ror":"https://ror.org/04vgqjj36","country_code":"SE","type":"healthcare","lineage":["https://openalex.org/I2801112325"]},{"id":"https://openalex.org/I881427289","display_name":"University of Gothenburg","ror":"https://ror.org/01tm6cn81","country_code":"SE","type":"education","lineage":["https://openalex.org/I881427289"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Ulla\u2010Britt Wennerholm","raw_affiliation_strings":["Center of Perinatal Medicine and Health, Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden","Department of Obstetrics, Sahlgrenska University Hospital, Gothenburg, Sweden"],"raw_orcid":"https://orcid.org/0000-0003-2475-2226","affiliations":[{"raw_affiliation_string":"Center of Perinatal Medicine and Health, Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden","institution_ids":["https://openalex.org/I881427289"]},{"raw_affiliation_string":"Department of Obstetrics, Sahlgrenska University Hospital, Gothenburg, Sweden","institution_ids":["https://openalex.org/I2801112325"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052561794","display_name":"Lil Valentin","orcid":"https://orcid.org/0000-0002-3830-6414","observed_orcids":["https://orcid.org/0000-0002-3830-6414"]},"institutions":[{"id":"https://openalex.org/I187531555","display_name":"Lund University","ror":"https://ror.org/012a77v79","country_code":"SE","type":"education","lineage":["https://openalex.org/I187531555"]},{"id":"https://openalex.org/I4210137844","display_name":"Sk\u00e5ne University Hospital","ror":"https://ror.org/02z31g829","country_code":"SE","type":"healthcare","lineage":["https://openalex.org/I4210137844"]}],"countries":["SE"],"is_corresponding":true,"raw_author_name":"Lil Valentin","raw_affiliation_strings":["Department of Clinical Sciences Malm\u00f6 Lund University Lund Sweden","Department of Obstetrics and Gynecology Sk\u00e5ne University Hospital Malm\u00f6 Sweden"],"raw_orcid":"https://orcid.org/0000-0002-3830-6414","affiliations":[{"raw_affiliation_string":"Department of Clinical Sciences Malm\u00f6 Lund University Lund Sweden","institution_ids":["https://openalex.org/I187531555"]},{"raw_affiliation_string":"Department of Obstetrics and Gynecology Sk\u00e5ne University Hospital Malm\u00f6 Sweden","institution_ids":["https://openalex.org/I4210137844"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5052561794"],"corresponding_institution_ids":["https://openalex.org/I187531555","https://openalex.org/I4210137844"],"apc_list":{"value":4000,"currency":"USD","value_usd":4000},"apc_paid":{"value":4000,"currency":"USD","value_usd":4000},"fwci":2.1222,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.87064295,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"100","issue":"9","first_page":"1644","last_page":"1655"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11290","display_name":"Preterm Birth and Chorioamnionitis","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T11290","display_name":"Preterm Birth and Chorioamnionitis","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T10453","display_name":"Maternal and Perinatal Health Interventions","score":9.999999747378752e-05,"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/T10978","display_name":"Prenatal Screening and Diagnostics","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cervical-length","display_name":"cervical length","score":0.9369999766349792},{"id":"https://openalex.org/keywords/second-trimester-ultrasound","display_name":"second-trimester ultrasound","score":0.7279999852180481},{"id":"https://openalex.org/keywords/spontaneous-preterm-birth","display_name":"spontaneous preterm birth","score":0.9340000152587891},{"id":"https://openalex.org/keywords/preterm-birth-prediction","display_name":"preterm birth prediction","score":0.75},{"id":"https://openalex.org/keywords/transvaginal-ultrasound","display_name":"transvaginal ultrasound","score":0.8709999918937683},{"id":"https://openalex.org/keywords/high-risk-pregnancy","display_name":"high-risk pregnancy","score":0.5600000023841858},{"id":"https://openalex.org/keywords/previous-preterm-birth","display_name":"previous preterm birth","score":0.7979999780654907},{"id":"https://openalex.org/keywords/cervical-conization","display_name":"conization","score":0.8270000219345093},{"id":"https://openalex.org/keywords/nulliparous-women","display_name":"nulliparous women","score":0.8360000252723694},{"id":"https://openalex.org/keywords/diagnostic-accuracy","display_name":"diagnostic accuracy","score":0.6299999952316284},{"id":"https://openalex.org/keywords/singleton-pregnancy","display_name":"singleton pregnancy","score":0.6990000009536743},{"id":"https://openalex.org/keywords/miscarriage","display_name":"miscarriage","score":0.46399998664855957},{"id":"https://openalex.org/keywords/number-needed-to-screen","display_name":"number needed to screen","score":0.6700000166893005},{"id":"https://openalex.org/keywords/risk-stratification","display_name":"risk stratification","score":0.4180000126361847},{"id":"https://openalex.org/keywords/interaction-analysis","display_name":"interaction analysis","score":0.34599998593330383},{"id":"https://openalex.org/keywords/area-under-the-receiver-operating-characteristic","display_name":"area under the receiver operating characteristic","score":0.5230000019073486}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9504050016403198},{"id":"https://openalex.org/C23131810","wikidata":"https://www.wikidata.org/wiki/Q818574","display_name":"Observational study","level":2,"score":0.8776439428329468},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.6886917352676392},{"id":"https://openalex.org/C3017786699","wikidata":"https://www.wikidata.org/wiki/Q625506","display_name":"Preterm delivery","level":4,"score":0.6606211066246033},{"id":"https://openalex.org/C2992435398","wikidata":"https://www.wikidata.org/wiki/Q6934595","display_name":"Multicenter study","level":3,"score":0.5785528421401978},{"id":"https://openalex.org/C188816634","wikidata":"https://www.wikidata.org/wiki/Q2113324","display_name":"Prospective cohort study","level":2,"score":0.5081386566162109},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.42856526374816895},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.4085009694099426},{"id":"https://openalex.org/C46973012","wikidata":"https://www.wikidata.org/wiki/Q28627","display_name":"Gestation","level":3,"score":0.3473578691482544},{"id":"https://openalex.org/C168563851","wikidata":"https://www.wikidata.org/wiki/Q1436668","display_name":"Randomized controlled trial","level":2,"score":0.231672465801239},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.13667672872543335},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.10203158855438232},{"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":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002584","descriptor_name":"Cervix Uteri","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"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":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011262","descriptor_name":"Pregnancy Trimester, Second","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011446","descriptor_name":"Prospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016216","descriptor_name":"Ultrasonography, Prenatal","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D018566","descriptor_name":"Pregnancy, High-Risk","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D047928","descriptor_name":"Premature Birth","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D054791","descriptor_name":"Cervical Length Measurement","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1111/aogs.14203","doi":"https://doi.org/10.1111/aogs.14203","is_oa":true,"landing_page_url":"https://doi.org/10.1111/aogs.14203","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/aogs.14203","source":{"id":"https://openalex.org/S192518766","display_name":"Acta Obstetricia Et Gynecologica Scandinavica","issn_l":"0001-6349","issn":["0001-6349","1600-0412"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","doyens","jufo-2","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320449","host_organization_name":"Informa","host_organization_lineage":["https://openalex.org/P4310320449"],"host_organization_lineage_names":["Informa"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Acta Obstetricia et Gynecologica Scandinavica","raw_type":"journal-article"},{"id":"pmid:34096036","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34096036","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":"Acta obstetricia et gynecologica Scandinavica","raw_type":"Journal Article"},{"id":"pmh:oai:lup.lub.lu.se:b75da372-acf0-4998-996d-4208e71893fb","doi":null,"is_oa":false,"landing_page_url":"https://lup.lub.lu.se/record/b75da372-acf0-4998-996d-4208e71893fb","pdf_url":null,"source":{"id":"https://openalex.org/S4306400536","display_name":"Lund University Publications (Lund University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I187531555","host_organization_name":"Lund University","host_organization_lineage":["https://openalex.org/I187531555"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISSN: 0001-6349","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.1111/aogs.14203","doi":"https://doi.org/10.1111/aogs.14203","is_oa":true,"landing_page_url":"https://doi.org/10.1111/aogs.14203","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/aogs.14203","source":{"id":"https://openalex.org/S192518766","display_name":"Acta Obstetricia Et Gynecologica Scandinavica","issn_l":"0001-6349","issn":["0001-6349","1600-0412"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","doyens","jufo-2","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320449","host_organization_name":"Informa","host_organization_lineage":["https://openalex.org/P4310320449"],"host_organization_lineage_names":["Informa"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Acta Obstetricia et Gynecologica Scandinavica","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":1.0,"display_name":"Good health and well-being"}],"study_designs":[],"awards":[{"id":"https://openalex.org/G3001087446","display_name":"Measurement of cervical length with vaginal ultrasound in the second trimester in asymptomatic women with a singleton pregnancy to predict preterm delivery: a Swedish multi-center observational study","funder_award_id":"2014-06998","funder_id":"https://openalex.org/F4320322581","funder_display_name":"Vetenskapsr\u00e5det"}],"funders":[{"id":"https://openalex.org/F4320322581","display_name":"Vetenskapsr\u00e5det","ror":"https://ror.org/03zttf063"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3169562828.pdf","grobid_xml":"https://content.openalex.org/works/W3169562828.grobid-xml"},"referenced_works_count":34,"referenced_works":["https://openalex.org/W1538764784","https://openalex.org/W1972075967","https://openalex.org/W1980802962","https://openalex.org/W1984001966","https://openalex.org/W2005535009","https://openalex.org/W2006972239","https://openalex.org/W2018777304","https://openalex.org/W2030119418","https://openalex.org/W2067554705","https://openalex.org/W2068991618","https://openalex.org/W2074766136","https://openalex.org/W2140343676","https://openalex.org/W2141940030","https://openalex.org/W2148044501","https://openalex.org/W2156017730","https://openalex.org/W2165781521","https://openalex.org/W2167211680","https://openalex.org/W2186430820","https://openalex.org/W2237106341","https://openalex.org/W2327234524","https://openalex.org/W2485475309","https://openalex.org/W2496190848","https://openalex.org/W2529940321","https://openalex.org/W2547628470","https://openalex.org/W2768157546","https://openalex.org/W2768850026","https://openalex.org/W2793171097","https://openalex.org/W2899173353","https://openalex.org/W3005730107","https://openalex.org/W3022020336","https://openalex.org/W3087657219","https://openalex.org/W3138680213","https://openalex.org/W4233544313","https://openalex.org/W4253410024"],"related_works":["https://openalex.org/W2031335907","https://openalex.org/W2050841964","https://openalex.org/W4243457196","https://openalex.org/W2978048651","https://openalex.org/W7223270870","https://openalex.org/W7154229790","https://openalex.org/W2167211680","https://openalex.org/W2902982881","https://openalex.org/W2067209621","https://openalex.org/W2944275231"],"abstract_inverted_index":{"INTRODUCTION:":[0],"The":[1,104,222,249,292,307,330],"aim":[2],"of":[3,11,25,34,50,106,112,169,175,224,232,276,309,318],"the":[4,9,19,23,51,110,173,197,204,230,283,316],"study":[5],"is":[6,45,323],"to":[7,194,214,216,256,289,295,335],"compare":[8],"effect":[10,105,168,198,223,308],"cervical":[12,107,131,170,186,225,310],"length":[13,82,108,171,187,226,269,311],"measured":[14,84],"with":[15,37,63,85,155,188,286],"transvaginal":[16,86],"ultrasound":[17,74,79,87],"in":[18,185,239,263,282,325,332],"second":[20],"trimester":[21],"on":[22,109,172,229,315],"risk":[24,32,111,141,149,174,231,317],"spontaneous":[26,113,126,176,219,233,277,319],"preterm":[27,278],"delivery":[28],"(PTD)":[29],"between":[30,121,200],"different":[31],"groups":[33,241,265,298],"asymptomatic":[35],"women":[36,62,122],"a":[38,46,54,64,342],"singleton":[39,65],"pregnancy.":[40],"MATERIAL":[41],"AND":[42],"METHODS:":[43],"This":[44],"pre-planned":[47],"exploratory":[48],"analysis":[49,190],"CERVIX":[52],"study,":[53],"prospective":[55],"blinded":[56],"multicenter":[57],"diagnostic":[58],"accuracy":[59],"study.":[60],"Asymptomatic":[61],"pregnancy":[66],"were":[67,159,302],"consecutively":[68],"recruited":[69],"at":[70,76,88,227,252,258,272,312],"their":[71],"second-trimester":[72],"routine":[73],"examination":[75],"seven":[77],"Swedish":[78],"centers.":[80],"Cervical":[81,268],"was":[83,119,237,254,261],"18-20":[89],"weeks":[90,98,236,281,314,322],"(Cx1;":[91],"n":[92,101,135],"=":[93,102,136,144,152,162],"11":[94],"072)":[95],"and":[96,115,260,300,304,327],"21-23":[97,313],"(Cx2,":[99],"optional;":[100],"6288).":[103],"PTD":[114,158,177,234,320],"its":[116],"discriminative":[117,250],"ability":[118,251],"compared":[120],"with:":[123],"(i)":[124],"previous":[125,156],"PTD,":[127],"late":[128],"miscarriage":[129],"or":[130],"conization":[132],"(high-risk":[133],"group;":[134],"1045);":[137],"(ii)":[138,299],"nulliparae":[139],"without":[140,148],"factors":[142,150],"(n":[143,151,161],"5173);":[145],"(iii)":[146,301],"parae":[147],"4740).":[153],"Women":[154],"indicated":[157],"excluded":[160],"114).":[163],"Main":[164],"outcome":[165],"measures":[166],"were:":[167],"expressed":[178],"as":[179],"odds":[180],"ratio":[181],"per":[182],"5-mm":[183],"decrease":[184],"interaction":[189,245],"using":[191],"logistic":[192],"regression":[193],"test":[195],"whether":[196],"differed":[199],"groups,":[201],"area":[202],"under":[203],"receiver":[205],"operating":[206],"characteristic":[207],"curve":[208],"(AUC),":[209],"sensitivity,":[210],"specificity,":[211],"number":[212,287,293,333],"needed":[213,288,294,334],"screen":[215,290,296,336],"detect":[217],"one":[218],"PTD.":[220],"RESULTS:":[221],"Cx2":[228,253,273],"<33":[235,280,321],"similar":[238,262,324],"all":[240,264],"(odds":[242],"ratios":[243],"2.26-2.58,":[244],"p":[246],"value":[247],"0.91).":[248],"superior":[255],"that":[257],"Cx1":[259],"(AUC":[266],"0.69-0.76).":[267],"\u226425":[270],"mm":[271],"identified":[274],"57%":[275],"deliveries":[279],"high-risk":[284],"group":[285],"161.":[291],"for":[297],"1018":[303],"843.":[305],"CONCLUSIONS:":[306],"high-":[326],"low-risk":[328],"pregnancies.":[329],"differences":[331],"should":[337],"be":[338],"considered":[339],"before":[340],"implementing":[341],"screening":[343],"program.":[344]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":7}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2021-06-22T00:00:00"}
