{"id":"https://openalex.org/W120141439","doi":null,"title":"Risk factors for abruptio placentae.","display_name":"Risk factors for abruptio placentae.","publication_year":1987,"publication_date":"1987-08-15","ids":{"openalex":"https://openalex.org/W120141439","mag":"120141439","pmid":"https://pubmed.ncbi.nlm.nih.gov/3616809"},"language":"en","primary_location":{"id":"pmid:3616809","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/3616809","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":"South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde","raw_type":"Journal Article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["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/A5008933230","display_name":"A. L. Brink","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A L Brink","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5114004953","display_name":"H J Odendaal","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"H J Odendaal","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":0.6361,"has_fulltext":false,"cited_by_count":28,"citation_normalized_percentile":{"value":0.66644562,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"72","issue":"4","first_page":"250","last_page":"2"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10290","display_name":"Pregnancy and preeclampsia studies","score":0.6909000277519226,"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/T10290","display_name":"Pregnancy and preeclampsia studies","score":0.6909000277519226,"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/T11389","display_name":"Maternal and fetal healthcare","score":0.29910001158714294,"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/T10453","display_name":"Maternal and Perinatal Health Interventions","score":0.0017999999690800905,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/placental-abruption","display_name":"placental abruption","score":0.9240000247955322},{"id":"https://openalex.org/keywords/risk-factors","display_name":"risk factors","score":0.9409999847412109},{"id":"https://openalex.org/keywords/smoking","display_name":"smoking","score":0.5120000243186951},{"id":"https://openalex.org/keywords/marital-status","display_name":"marital status","score":0.7260000109672546},{"id":"https://openalex.org/keywords/prenatal-care","display_name":"prenatal care","score":0.9449999928474426},{"id":"https://openalex.org/keywords/proteinuria","display_name":"proteinuria","score":0.7099999785423279},{"id":"https://openalex.org/keywords/ponderal-index","display_name":"ponderal index","score":0.7269999980926514},{"id":"https://openalex.org/keywords/intrauterine-growth-restriction","display_name":"fetal growth restriction","score":0.9919999837875366}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9645224809646606},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.70338374376297},{"id":"https://openalex.org/C2779225303","wikidata":"https://www.wikidata.org/wiki/Q388113","display_name":"Placental abruption","level":4,"score":0.664677619934082},{"id":"https://openalex.org/C61511704","wikidata":"https://www.wikidata.org/wiki/Q1671857","display_name":"Incidence (geometry)","level":2,"score":0.5916368365287781},{"id":"https://openalex.org/C188816634","wikidata":"https://www.wikidata.org/wiki/Q2113324","display_name":"Prospective cohort study","level":2,"score":0.4942074120044708},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.4905053973197937},{"id":"https://openalex.org/C2776953305","wikidata":"https://www.wikidata.org/wiki/Q1212935","display_name":"Placenta","level":4,"score":0.46116939187049866},{"id":"https://openalex.org/C65409693","wikidata":"https://www.wikidata.org/wiki/Q425265","display_name":"Statistical significance","level":2,"score":0.43009522557258606},{"id":"https://openalex.org/C3020705096","wikidata":"https://www.wikidata.org/wiki/Q5253500","display_name":"Growth retardation","level":3,"score":0.420881986618042},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.41986629366874695},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.21798723936080933},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.14277157187461853},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.09152871370315552},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"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/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000037","descriptor_name":"Abruptio Placentae","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":true},{"descriptor_ui":"D000328","descriptor_name":"Adult","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":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":"D006973","descriptor_name":"Hypertension","qualifier_ui":"Q000150","qualifier_name":"complications","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":"D011295","descriptor_name":"Prenatal Care","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":"D012306","descriptor_name":"Risk","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012907","descriptor_name":"Smoking","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"pmid:3616809","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/3616809","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":"South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde","raw_type":"Journal Article"},{"id":"pmh:oai:scholar.sun.ac.za:10019.1/7420","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/10019.1/7420","pdf_url":null,"source":{"id":"https://openalex.org/S4306400300","display_name":"SUNScholar (Stellenbosch University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I26092322","host_organization_name":"Stellenbosch University","host_organization_lineage":["https://openalex.org/I26092322"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},{"id":"mag:120141439","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/3616809","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":1.0,"display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2579145539","https://openalex.org/W2037837420","https://openalex.org/W2010293634","https://openalex.org/W2752389061","https://openalex.org/W1974631674","https://openalex.org/W4389341962","https://openalex.org/W2142558486","https://openalex.org/W4402172481","https://openalex.org/W4285311716","https://openalex.org/W1990173255"],"abstract_inverted_index":{"In":[0,70],"a":[1,16,47],"prospective":[2],"study":[3],"90":[4],"patients":[5,21,55],"who":[6,22],"had":[7,23,34,46,59],"confirmed":[8],"abruption":[9],"of":[10,74],"the":[11,37,52,72],"placenta":[12],"were":[13,26],"compared":[14],"with":[15,56],"control":[17],"group.":[18],"Significantly":[19],"more":[20],"abruptio":[24,57],"placentae":[25,58],"unmarried,":[27],"smoked":[28],"cigarettes,":[29],"received":[30],"no":[31],"antenatal":[32],"care,":[33],"coitus":[35],"within":[36],"48":[38],"hours":[39],"preceding":[40],"delivery,":[41],"developed":[42],"intrapartum":[43],"hypertension":[44,63],"and":[45,61],"lower":[48],"ponderal":[49],"index":[50],"than":[51],"controls.":[53],"More":[54],"proteinuria":[60],"antepartum":[62],"but":[64],"statistical":[65],"significance":[66],"was":[67,78],"not":[68],"reached.":[69],"addition,":[71],"incidence":[73],"intra-uterine":[75],"growth":[76],"retardation":[77],"higher":[79],"in":[80],"these":[81],"patients.":[82]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}