{"id":"https://openalex.org/W2028634767","doi":"https://doi.org/10.1097/01.ogx.0000286561.96746.91","title":"Outcomes of Planned Hospital Birth Attended by Midwives Compared with Physicians in British Columbia","display_name":"Outcomes of Planned Hospital Birth Attended by Midwives Compared with Physicians in British Columbia","publication_year":2007,"publication_date":"2007-11-01","ids":{"openalex":"https://openalex.org/W2028634767","doi":"https://doi.org/10.1097/01.ogx.0000286561.96746.91","mag":"2028634767"},"language":"en","primary_location":{"id":"doi:10.1097/01.ogx.0000286561.96746.91","doi":"https://doi.org/10.1097/01.ogx.0000286561.96746.91","is_oa":false,"landing_page_url":"https://doi.org/10.1097/01.ogx.0000286561.96746.91","pdf_url":null,"source":{"id":"https://openalex.org/S115789314","display_name":"Obstetrical & Gynecological Survey","issn_l":"0029-7828","issn":["0029-7828","1533-9866"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Obstetrical &amp; Gynecological Survey","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/A5000869741","display_name":"Patricia A. Janssen","orcid":"https://orcid.org/0000-0002-4178-1195","observed_orcids":["https://orcid.org/0000-0002-4178-1195"]},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Patricia A. Janssen","raw_affiliation_strings":["Department of Health Care and Epidemiology, Department of Family Practice, and Division of Midwifery, Department of Family Practice, University of British Columbia, Vancouver, British Columbia, Canada","34:140\u2013147","Birth 2007"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health Care and Epidemiology, Department of Family Practice, and Division of Midwifery, Department of Family Practice, University of British Columbia, Vancouver, British Columbia, Canada","institution_ids":["https://openalex.org/I141945490"]},{"raw_affiliation_string":"34:140\u2013147","institution_ids":[]},{"raw_affiliation_string":"Birth 2007","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Elizabeth M. Ryan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Elizabeth M. Ryan","raw_affiliation_strings":["Department of Health Care and Epidemiology, Department of Family Practice, and Division of Midwifery, Department of Family Practice, University of British Columbia, Vancouver, British Columbia, Canada","34:140\u2013147","Birth 2007"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health Care and Epidemiology, Department of Family Practice, and Division of Midwifery, Department of Family Practice, University of British Columbia, Vancouver, British Columbia, Canada","institution_ids":["https://openalex.org/I141945490"]},{"raw_affiliation_string":"34:140\u2013147","institution_ids":[]},{"raw_affiliation_string":"Birth 2007","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077600080","display_name":"Duncan J. Etches","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Duncan J. Etches","raw_affiliation_strings":["Department of Health Care and Epidemiology, Department of Family Practice, and Division of Midwifery, Department of Family Practice, University of British Columbia, Vancouver, British Columbia, Canada","34:140\u2013147","Birth 2007"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health Care and Epidemiology, Department of Family Practice, and Division of Midwifery, Department of Family Practice, University of British Columbia, Vancouver, British Columbia, Canada","institution_ids":["https://openalex.org/I141945490"]},{"raw_affiliation_string":"34:140\u2013147","institution_ids":[]},{"raw_affiliation_string":"Birth 2007","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085671800","display_name":"Michael C. Klein","orcid":"https://orcid.org/0000-0001-6864-5372","observed_orcids":["https://orcid.org/0000-0001-6864-5372"]},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Michael C. Klein","raw_affiliation_strings":["Department of Health Care and Epidemiology, Department of Family Practice, and Division of Midwifery, Department of Family Practice, University of British Columbia, Vancouver, British Columbia, Canada","34:140\u2013147","Birth 2007"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health Care and Epidemiology, Department of Family Practice, and Division of Midwifery, Department of Family Practice, University of British Columbia, Vancouver, British Columbia, Canada","institution_ids":["https://openalex.org/I141945490"]},{"raw_affiliation_string":"34:140\u2013147","institution_ids":[]},{"raw_affiliation_string":"Birth 2007","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034364262","display_name":"Birgit Reime","orcid":"https://orcid.org/0000-0002-5912-6965","observed_orcids":["https://orcid.org/0000-0002-5912-6965"]},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Birgit Reime","raw_affiliation_strings":["Department of Health Care and Epidemiology, Department of Family Practice, and Division of Midwifery, Department of Family Practice, University of British Columbia, Vancouver, British Columbia, Canada","34:140\u2013147","Birth 2007"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health Care and Epidemiology, Department of Family Practice, and Division of Midwifery, Department of Family Practice, University of British Columbia, Vancouver, British Columbia, Canada","institution_ids":["https://openalex.org/I141945490"]},{"raw_affiliation_string":"34:140\u2013147","institution_ids":[]},{"raw_affiliation_string":"Birth 2007","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I141945490"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"62","issue":"11","first_page":"701","last_page":"702"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10453","display_name":"Maternal and Perinatal Health Interventions","score":0.9994999766349792,"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/T10453","display_name":"Maternal and Perinatal Health Interventions","score":0.9994999766349792,"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/T12741","display_name":"Maternal and Neonatal Healthcare","score":9.999999747378752e-05,"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/T10979","display_name":"Breastfeeding Practices and Influences","score":9.999999747378752e-05,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/midwifery","display_name":"midwifery","score":0.8399999737739563},{"id":"https://openalex.org/keywords/planned-hospital-birth","display_name":"planned hospital birth","score":0.8809999823570251},{"id":"https://openalex.org/keywords/obstetric-surgery","display_name":"obstetric surgery","score":0.7879999876022339},{"id":"https://openalex.org/keywords/cesarean-section","display_name":"cesarean section","score":0.9789999723434448},{"id":"https://openalex.org/keywords/pain-relief","display_name":"analgesia","score":0.5249999761581421},{"id":"https://openalex.org/keywords/fetal-heart-rate-monitoring","display_name":"fetal heart rate monitoring","score":0.9520000219345093},{"id":"https://openalex.org/keywords/amniotomy","display_name":"amniotomy","score":0.9369999766349792},{"id":"https://openalex.org/keywords/episiotomy","display_name":"episiotomy","score":0.9980000257492065},{"id":"https://openalex.org/keywords/neonatal-resuscitation","display_name":"neonatal resuscitation","score":0.921999990940094},{"id":"https://openalex.org/keywords/apgar-score","display_name":"Apgar score","score":0.968999981880188},{"id":"https://openalex.org/keywords/neonatal-morbidity","display_name":"neonatal morbidity","score":0.6809999942779541},{"id":"https://openalex.org/keywords/low-risk-pregnancy","display_name":"low-risk pregnancy","score":0.6200000047683716},{"id":"https://openalex.org/keywords/british-columbia","display_name":"British Columbia","score":0.9110000133514404}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9384793639183044},{"id":"https://openalex.org/C2777362633","wikidata":"https://www.wikidata.org/wiki/Q1137446","display_name":"Episiotomy","level":3,"score":0.7440420389175415},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5347743034362793},{"id":"https://openalex.org/C2778052368","wikidata":"https://www.wikidata.org/wiki/Q210797","display_name":"Apgar score","level":4,"score":0.4975588619709015},{"id":"https://openalex.org/C27415008","wikidata":"https://www.wikidata.org/wiki/Q7256382","display_name":"Psychological intervention","level":2,"score":0.48679301142692566},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.4864937663078308},{"id":"https://openalex.org/C143095724","wikidata":"https://www.wikidata.org/wiki/Q515895","display_name":"Odds","level":3,"score":0.424858421087265},{"id":"https://openalex.org/C2779470629","wikidata":"https://www.wikidata.org/wiki/Q420240","display_name":"Shoulder dystocia","level":3,"score":0.420917809009552},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.34861916303634644},{"id":"https://openalex.org/C187212893","wikidata":"https://www.wikidata.org/wiki/Q123028","display_name":"Pediatrics","level":1,"score":0.3448249101638794},{"id":"https://openalex.org/C512399662","wikidata":"https://www.wikidata.org/wiki/Q3505712","display_name":"Family medicine","level":1,"score":0.33534660935401917},{"id":"https://openalex.org/C151956035","wikidata":"https://www.wikidata.org/wiki/Q1132755","display_name":"Logistic regression","level":2,"score":0.32045653462409973},{"id":"https://openalex.org/C66322754","wikidata":"https://www.wikidata.org/wiki/Q4128476","display_name":"Birth weight","level":3,"score":0.30901578068733215},{"id":"https://openalex.org/C159110408","wikidata":"https://www.wikidata.org/wiki/Q121176","display_name":"Nursing","level":1,"score":0.23637989163398743},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.0},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.0},{"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:10.1097/01.ogx.0000286561.96746.91","doi":"https://doi.org/10.1097/01.ogx.0000286561.96746.91","is_oa":false,"landing_page_url":"https://doi.org/10.1097/01.ogx.0000286561.96746.91","pdf_url":null,"source":{"id":"https://openalex.org/S115789314","display_name":"Obstetrical & Gynecological Survey","issn_l":"0029-7828","issn":["0029-7828","1533-9866"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Obstetrical &amp; Gynecological Survey","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":1.0,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4252255748","https://openalex.org/W2128806780","https://openalex.org/W2154125006","https://openalex.org/W2096656875","https://openalex.org/W2281299496","https://openalex.org/W2109296822","https://openalex.org/W2398884929","https://openalex.org/W2769585064","https://openalex.org/W7095626408","https://openalex.org/W4322504044"],"abstract_inverted_index":{"Midwifery":[0],"is":[1],"an":[2,34],"emerging":[3],"profession":[4],"in":[5,7,14,16,45,92,138,159,183,220],"Canada":[6],"general":[8],"and,":[9],"since":[10],"it":[11],"was":[12,132,156,168],"introduced":[13],"1998,":[15],"British":[17,70],"Columbia.":[18],"The":[19,38,75,142],"investigators":[20],"carried":[21],"out":[22],"a":[23,46,51,56,89,104,109,145,149,244],"population-based":[24,212],"cohort":[25],"study":[26,39],"of":[27,73,118,144,175,186,191,216,252,269,277],"women":[28,80,102,222,241],"lacking":[29],"recognized":[30],"risk":[31],"factors":[32],"for":[33,63,101,114,172,240],"adverse":[35],"perinatal":[36],"outcome.":[37],"group":[40,77],"included":[41,78],"488":[42],"women,":[43],"seen":[44],"2-year":[47],"period,":[48],"who":[49,59,81,242],"planned":[50,88,243],"hospital":[52,105,224,256,279],"birth":[53,65,91,106],"attended":[54,107,226],"by":[55,68,108,227],"midwife":[57,110,140,161],"and":[58,125,264],"met":[60,82],"eligibility":[61,85],"requirements":[62,86],"home":[64],"as":[66,274],"defined":[67],"the":[69,83,139,160,164,173,184,189,230,250,275],"Columbia":[71],"College":[72],"Midwives.":[74],"comparison":[76],"572":[79],"same":[84,231],"but":[87,163],"physician-attended":[90,245],"hospitals":[93],"where":[94,258],"midwives":[95,254],"also":[96],"practiced.":[97],"Adjusted":[98],"odds":[99],"ratios":[100],"planning":[103,223],"were":[111,178,218,236],"significantly":[112,157],"reduced":[113,158],"cesarean":[115],"section,":[116],"use":[117,131,174,185],"narcotic":[119],"analgesia,":[120,188],"electronic":[121],"fetal":[122],"monitoring,":[123],"amniotomy,":[124],"episiotomy.":[126],"In":[127,209],"addition,":[128],"less":[129,153],"drug":[130],"needed":[133],"to":[134,238],"resuscitate":[135],"newborn":[136,146],"infants":[137],"group.":[141],"likelihood":[143],"infant":[147,201],"having":[148],"1-minute":[150],"Apgar":[151],"score":[152],"than":[154,206],"7":[155],"group,":[162],"difference":[165],"no":[166,179],"longer":[167,205],"significant":[169,180],"after":[170],"adjusting":[171],"narcotics.":[176],"There":[177],"intergroup":[181],"differences":[182],"epidural":[187],"frequency":[190],"third-":[192],"or":[193,200],"fourth-degree":[194],"tears,":[195],"postpartum":[196,198],"hemorrhage,":[197],"infection,":[199],"oxygen":[202],"therapy":[203],"lasting":[204],"24":[207],"hours.":[208],"this":[210],"large":[211],"study,":[213],"lower":[214],"rates":[215,235],"interventions":[217,271],"documented":[219],"healthy":[221],"births":[225,280],"midwives.":[228],"At":[229],"time,":[232],"neonatal":[233],"morbidity":[234],"similar":[237],"those":[239],"birth.":[246],"These":[247],"findings":[248],"support":[249],"practice":[251],"bringing":[253],"into":[255],"settings":[257],"they":[259],"can":[260],"share":[261],"patient":[262],"care":[263],"teaching":[265],"with":[266],"physicians.":[267],"Rates":[268],"obstetrical":[270],"may":[272],"decline":[273],"proportion":[276],"midwife-attended":[278],"increases.":[281]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2016-06-24T00:00:00"}
