{"id":"W2803830865","doi":"10.1038/s41598-018-24634-2","title":"Birth size and gestational age in opposite-sex twins as compared to same-sex twins: An individual-based pooled analysis of 21 cohorts","year":2018,"lang":"en","type":"article","venue":"Scientific Reports","topic":"Birth, Development, and Health","field":"Medicine","cited_by":30,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Montréal; Université du Québec à Montréal; Université Laval; University of Ottawa","funders":"FP7 Health; ZonMw; Eunice Kennedy Shriver National Institute of Child Health and Human Development; Medical Research Council; College of Engineering, Michigan State University; Japan Society for the Promotion of Science; Directorate for Biological Sciences; National Institutes of Health; Vrije Universiteit Amsterdam; Vlaamse regering; Astma- och Allergiförbundet; Stockholms Läns Landsting; National Institute of Mental Health; Bonnie Babes Foundation; Vetenskapsrådet; State Government of Victoria; National Institute on Aging; Hjärt-Lungfonden; National Health and Medical Research Council; Biotechnology and Biological Sciences Research Council; Cancer Research UK; Novo Nordisk Fonden; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Michigan State University","keywords":"Sister; Birth weight; Girl; Gestational age; Dizygotic twins; Gestation; Twin study; Demography; Medicine; Twin Pregnancy; Brother; Obstetrics; Pregnancy; Pediatrics; Biology; Heritability; Genetics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.007472746,0.0007753847,0.002260115,0.001812922,0.0005712974,0.001182555,0.0007401676,0.0007033672,0.0006700471],"category_scores_gemma":[0.01289775,0.0006150074,0.004702419,0.00191821,0.0003338369,0.0003337264,0.001071528,0.0004612271,0.0001660421],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003274557,"about_ca_system_score_gemma":0.0004608457,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.008285107,"about_ca_topic_score_gemma":0.007335014,"domain_scores_codex":[0.9949378,0.00238903,0.0006194294,0.001267224,0.0005676414,0.0002188805],"domain_scores_gemma":[0.9944186,0.001322618,0.001169921,0.002109298,0.0006900914,0.0002895851],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.002852619,0.00004064937,0.9522667,0.0003484171,0.03524589,0.000343269,0.0002946707,0.0003998376,0.002635406,0.0001187692,0.0003469095,0.005106808],"study_design_scores_gemma":[0.0001193819,0.0004049662,0.9730801,0.00006818701,0.02340708,0.0005504892,0.0002411305,0.0006232532,0.0005410538,0.0001217891,0.0008187808,0.00002386949],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9914777,0.004138567,0.002375694,0.00004313159,0.00005600753,0.0000458638,0.001465857,0.00002650955,0.0003707639],"genre_scores_gemma":[0.9957024,0.001098223,0.001014536,0.00002845928,0.00002702195,0.00006588487,0.00181901,0.00002481709,0.0002195364],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008285107,"threshold_uncertainty_score":0.03952008,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0350573264301577,"score_gpt":0.3255890624381024,"score_spread":0.2905317360079447,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}