{"id":"https://openalex.org/W2015862970","doi":"https://doi.org/10.3109/14767059309017245","title":"Modifiable Determinants of Birth Weight Variability in Twins","display_name":"Modifiable Determinants of Birth Weight Variability in Twins","publication_year":1993,"publication_date":"1993-01-01","ids":{"openalex":"https://openalex.org/W2015862970","doi":"https://doi.org/10.3109/14767059309017245","mag":"2015862970"},"language":"en","primary_location":{"id":"doi:10.3109/14767059309017245","doi":"https://doi.org/10.3109/14767059309017245","is_oa":false,"landing_page_url":"https://doi.org/10.3109/14767059309017245","pdf_url":null,"source":{"id":"https://openalex.org/S1605907","display_name":"The Journal of Maternal-Fetal & Neonatal Medicine","issn_l":"1476-4954","issn":["1476-4954","1476-7058"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Maternal-Fetal and Neonatal Medicine","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"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/A5027639835","display_name":"Daniel P. Eller","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I153297377","display_name":"Medical University of South Carolina","ror":"https://ror.org/012jban78","country_code":"US","type":"education","lineage":["https://openalex.org/I153297377"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Daniel P. Eller","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina","institution_ids":["https://openalex.org/I153297377"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011877898","display_name":"Roger Newman","orcid":"https://orcid.org/0000-0003-0235-987X","observed_orcids":["https://orcid.org/0000-0003-0235-987X","https://orcid.org/0000-0002-2422-619X"]},"institutions":[{"id":"https://openalex.org/I153297377","display_name":"Medical University of South Carolina","ror":"https://ror.org/012jban78","country_code":"US","type":"education","lineage":["https://openalex.org/I153297377"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Roger B. Newman","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina","institution_ids":["https://openalex.org/I153297377"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043122067","display_name":"Janna M. Ellings","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I153297377","display_name":"Medical University of South Carolina","ror":"https://ror.org/012jban78","country_code":"US","type":"education","lineage":["https://openalex.org/I153297377"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Janna M. Ellings","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina","institution_ids":["https://openalex.org/I153297377"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103546948","display_name":"Berry A. Campbell","orcid":"https://orcid.org/0009-0009-9436-2881","observed_orcids":["https://orcid.org/0009-0009-9436-2881"]},"institutions":[{"id":"https://openalex.org/I153297377","display_name":"Medical University of South Carolina","ror":"https://ror.org/012jban78","country_code":"US","type":"education","lineage":["https://openalex.org/I153297377"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Berry A. Campbell","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina","institution_ids":["https://openalex.org/I153297377"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103411290","display_name":"M. Clinton Miller","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I153297377","display_name":"Medical University of South Carolina","ror":"https://ror.org/012jban78","country_code":"US","type":"education","lineage":["https://openalex.org/I153297377"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M. Clinton Miller","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina","institution_ids":["https://openalex.org/I153297377"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I153297377"],"apc_list":null,"apc_paid":null,"fwci":0.9386,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.7387001,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":94},"biblio":{"volume":"2","issue":"5","first_page":"254","last_page":"259"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11732","display_name":"Assisted Reproductive Technology and Twin Pregnancy","score":0.9922000169754028,"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"}},"topics":[{"id":"https://openalex.org/T11732","display_name":"Assisted Reproductive Technology and Twin Pregnancy","score":0.9922000169754028,"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/T11629","display_name":"Birth, Development, and Health","score":0.004399999976158142,"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/T10673","display_name":"Gestational Diabetes Research and Management","score":0.0010000000474974513,"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/twin-pregnancy","display_name":"twin pregnancy","score":0.8190000057220459},{"id":"https://openalex.org/keywords/intrauterine-growth-restriction","display_name":"fetal growth restriction","score":0.949999988079071},{"id":"https://openalex.org/keywords/birth-weight","display_name":"birth weight","score":0.7519999742507935},{"id":"https://openalex.org/keywords/birthweight-centile","display_name":"birthweight centiles","score":0.6949999928474426},{"id":"https://openalex.org/keywords/gestational-weight-gain","display_name":"gestational weight gain","score":0.6489999890327454},{"id":"https://openalex.org/keywords/gestational-age-at-diagnosis","display_name":"gestational age at diagnosis","score":0.7860000133514404},{"id":"https://openalex.org/keywords/maternal-smoking","display_name":"maternal smoking","score":0.8149999976158142},{"id":"https://openalex.org/keywords/pre-pregnancy-weight","display_name":"pre-pregnancy weight","score":0.9580000042915344},{"id":"https://openalex.org/keywords/race","display_name":"race","score":0.4129999876022339},{"id":"https://openalex.org/keywords/modifiable-risk-factors","display_name":"modifiable risk factors","score":0.6990000009536743},{"id":"https://openalex.org/keywords/prenatal-care","display_name":"prenatal care","score":0.375}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.753180980682373},{"id":"https://openalex.org/C66322754","wikidata":"https://www.wikidata.org/wiki/Q4128476","display_name":"Birth weight","level":3,"score":0.7371110320091248},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.6518164277076721},{"id":"https://openalex.org/C2780320433","wikidata":"https://www.wikidata.org/wiki/Q3403879","display_name":"Weight gain","level":3,"score":0.641502857208252},{"id":"https://openalex.org/C170964787","wikidata":"https://www.wikidata.org/wiki/Q7611170","display_name":"Stepwise regression","level":2,"score":0.5757862329483032},{"id":"https://openalex.org/C2778376644","wikidata":"https://www.wikidata.org/wiki/Q2253111","display_name":"Gestational age","level":3,"score":0.5540722608566284},{"id":"https://openalex.org/C2778780700","wikidata":"https://www.wikidata.org/wiki/Q1671598","display_name":"Intrauterine growth restriction","level":4,"score":0.4441550672054291},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.44217705726623535},{"id":"https://openalex.org/C46973012","wikidata":"https://www.wikidata.org/wiki/Q28627","display_name":"Gestation","level":3,"score":0.39526891708374023},{"id":"https://openalex.org/C147583825","wikidata":"https://www.wikidata.org/wiki/Q620876","display_name":"Body weight","level":2,"score":0.29904302954673767},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.15523099899291992},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.08880171179771423},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.3109/14767059309017245","doi":"https://doi.org/10.3109/14767059309017245","is_oa":false,"landing_page_url":"https://doi.org/10.3109/14767059309017245","pdf_url":null,"source":{"id":"https://openalex.org/S1605907","display_name":"The Journal of Maternal-Fetal & Neonatal Medicine","issn_l":"1476-4954","issn":["1476-4954","1476-7058"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Maternal-Fetal and Neonatal Medicine","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.9391000270843506,"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":1,"referenced_works":["https://openalex.org/W2410979608"],"related_works":["https://openalex.org/W2119503063","https://openalex.org/W2016167594","https://openalex.org/W2320302156","https://openalex.org/W2016341598","https://openalex.org/W2463761452","https://openalex.org/W1885243684","https://openalex.org/W2091664458","https://openalex.org/W2070615574","https://openalex.org/W2041235592","https://openalex.org/W256830918"],"abstract_inverted_index":{"Intrauterine":[0,140],"growth":[1,21,141,188,199],"retardation":[2],"is":[3,63],"a":[4,29,159,193],"major":[5],"contributor":[6],"to":[7,46,83],"the":[8,67,102,106,134],"increased":[9],"perinatal":[10],"morbidity":[11],"and":[12,44,78,133,179,191],"mortality":[13],"reported":[14],"for":[15,40,69],"twins.":[16],"Prenatal":[17],"factors":[18],"influencing":[19],"intrauterine":[20,88,187,198],"were":[22,81],"evaluated":[23],"in":[24,28,105,142,158,189,201],"80":[25],"women":[26],"followed":[27],"special":[30],"antepartum":[31],"Twin":[32],"Clinic.":[33],"The":[34,53],"mean":[35,54,68,108],"birth":[36,50,55,109],"weight":[37,51,56,110,138,147,162,177,181],"was":[38,58,144],"calculated":[39],"each":[41],"twin":[42],"set":[43],"normalized":[45,107],"gestational":[47,122],"age":[48,123,170],"specific":[49],"centiles.":[52],"centile":[57,111],"32.9":[59],"\u00b1":[60,154,166],"24,":[61],"which":[62],"significantly":[64],"less":[65],"than":[66,200],"singletons":[70],"(P":[71,117],"<.":[72,118],"001).":[73],"Multiple":[74],"demographic,":[75],"socioeconomic,":[76],"medical,":[77],"nutritional":[79],"variables":[80,97,116],"tested":[82],"determine":[84],"their":[85],"impact":[86,196],"on":[87,197],"growth.":[89],"A":[90],"stepwise":[91],"regression":[92],"analysis":[93],"suggested":[94],"that":[95],"six":[96],"predict":[98],"over":[99],"half":[100],"of":[101,136,150,164,175,186],"total":[103,160],"variability":[104],"(R2":[112],"=":[113],"0.51).":[114],"Significant":[115],"05)":[119],"included":[120],"race,":[121],"at":[124,151,171],"diagnosis,":[125,172],"smoking,":[126,173],"prepregnancy":[127,180],"weight,":[128,132],"percent":[129],"ideal":[130],"body":[131],"rate":[135,149,174],"weekly":[137,176],"gain.":[139],"twins":[143,190],"improved":[145],"with":[146],"gain":[148,163],"least":[152],"1.01":[153],"52":[155],"lb/week":[156],"resulting":[157],"maternal":[161],"38.4":[165],"18.3":[167],"lb.":[168],"Gestational":[169],"gain,":[178],"are":[182],"important":[183],"modifiable":[184],"determinants":[185],"have":[192],"relatively":[194],"greater":[195],"singletons.":[202]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}
