{"id":"https://openalex.org/W4414015397","doi":"https://doi.org/10.1016/j.placenta.2025.07.025","title":"Duration of intra-amniotic bacterial infections","display_name":"Duration of intra-amniotic bacterial infections","publication_year":2025,"publication_date":"2025-09-01","ids":{"openalex":"https://openalex.org/W4414015397","doi":"https://doi.org/10.1016/j.placenta.2025.07.025"},"language":"en","primary_location":{"id":"doi:10.1016/j.placenta.2025.07.025","doi":"https://doi.org/10.1016/j.placenta.2025.07.025","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.placenta.2025.07.025","pdf_url":null,"source":{"id":"https://openalex.org/S171513543","display_name":"Placenta","issn_l":"0143-4004","issn":["0143-4004","1532-3102"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-140","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":"Placenta","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/A5066782070","display_name":"Makoto Nomiyama","orcid":"https://orcid.org/0000-0002-7572-8229","observed_orcids":["https://orcid.org/0000-0002-7572-8229"]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Makoto Nomiyama","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103441019","display_name":"Fumio Yamasaki","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405283835","display_name":"Saga Central Hospital","ror":"https://ror.org/02c1mj994","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210132540","https://openalex.org/I4405283835"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Fumio Yamasaki","raw_affiliation_strings":["Department of Pathology, Japan Community Health Care Organization, Saga Central Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pathology, Japan Community Health Care Organization, Saga Central Hospital","institution_ids":["https://openalex.org/I4405283835"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Shohei Oishi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shohei Oishi","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Ryo Kataoka","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ryo Kataoka","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5119548875","display_name":"Akiko Shimauchi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Akiko Shimauchi","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027251825","display_name":"Yusuke Iha","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yusuke Iha","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Atushi Yamazaki","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Atushi Yamazaki","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5119548876","display_name":"Obata Mika","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Obata Mika","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Shimomura Takashi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shimomura Takashi","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071143646","display_name":"Masazumi Ikeda","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masazumi Ikeda","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5119548874","display_name":"Oshima Yuko","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Oshima Yuko","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081954792","display_name":"Mitsuyo Noguchi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Mitsuyo Noguchi","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074861653","display_name":"Yutaka Kozuma","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yutaka Kozuma","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027437219","display_name":"Keisuke Tsumura","orcid":"https://orcid.org/0009-0002-6157-2419","observed_orcids":["https://orcid.org/0009-0002-6157-2419"]},"institutions":[{"id":"https://openalex.org/I4405282609","display_name":"National Hospital Organization Saga National Hospital","ror":"https://ror.org/004tbg052","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405282609"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Keisuke Tsumura","raw_affiliation_strings":["Department of Obstetrics and Gynecology, NHO Saga Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, NHO Saga Hospital","institution_ids":["https://openalex.org/I4405282609"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3720,"currency":"USD","value_usd":3720},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"169","issue":null,"first_page":"137","last_page":"137"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11290","display_name":"Preterm Birth and Chorioamnionitis","score":0.9848999977111816,"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"}},"topics":[{"id":"https://openalex.org/T11290","display_name":"Preterm Birth and Chorioamnionitis","score":0.9848999977111816,"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/T11961","display_name":"Neonatal and Maternal Infections","score":0.013899999670684338,"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"}},{"id":"https://openalex.org/T10428","display_name":"Reproductive tract infections research","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2404","display_name":"Microbiology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/chorioamnionitis","display_name":"chorioamnionitis","score":0.984000027179718},{"id":"https://openalex.org/keywords/bacterial-infection","display_name":"bacterial infection","score":0.7760000228881836},{"id":"https://openalex.org/keywords/duration-of-infection","display_name":"infection duration","score":0.8489999771118164},{"id":"https://openalex.org/keywords/amniotic-fluid","display_name":"amniotic fluid","score":0.6579999923706055},{"id":"https://openalex.org/keywords/pregnancy-complications","display_name":"pregnancy complications","score":0.35100001096725464}],"concepts":[{"id":"https://openalex.org/C112758219","wikidata":"https://www.wikidata.org/wiki/Q16038819","display_name":"Duration (music)","level":2,"score":0.6394467353820801},{"id":"https://openalex.org/C2778194526","wikidata":"https://www.wikidata.org/wiki/Q901674","display_name":"Amniotic fluid","level":4,"score":0.4837091565132141},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.4187626242637634},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3842760920524597},{"id":"https://openalex.org/C16685009","wikidata":"https://www.wikidata.org/wiki/Q335057","display_name":"Andrology","level":1,"score":0.3686467409133911},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.3643375039100647},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.23087525367736816},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.08048757910728455},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0742080807685852},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.05127137899398804},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.placenta.2025.07.025","doi":"https://doi.org/10.1016/j.placenta.2025.07.025","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.placenta.2025.07.025","pdf_url":null,"source":{"id":"https://openalex.org/S171513543","display_name":"Placenta","issn_l":"0143-4004","issn":["0143-4004","1532-3102"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-140","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":"Placenta","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9476000070571899,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2406048106","https://openalex.org/W3107566281","https://openalex.org/W2567963616","https://openalex.org/W7001316242","https://openalex.org/W7001391005","https://openalex.org/W7066697270","https://openalex.org/W33471317","https://openalex.org/W4252815638","https://openalex.org/W2403501487","https://openalex.org/W2407389863"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-10-09T09:14:12.587421","created_date":"2025-10-10T00:00:00"}