{"id":"W2105366027","doi":"10.1016/s1472-6483(10)62251-1","title":"Global epidemiology of multiple birth","year":2007,"lang":"en","type":"article","venue":"Reproductive BioMedicine Online","topic":"Assisted Reproductive Technology and Twin Pregnancy","field":"Medicine","cited_by":104,"is_retracted":false,"has_abstract":false,"ca_institutions":"McMaster University; Dalhousie University","funders":"","keywords":"Multiple birth; Live birth; Infertility; Demography; Obstetrics; Birth rate; Medicine; Pregnancy; Birth order; Reproduction; Infant mortality; Fertility; Population; Biology; Environmental health","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":[0.0005426683,0.0003717347,0.0003974226,0.0035474,0.0004182613,0.0007121114,0.0003962867,0.0007389043,0.004007395],"category_scores_gemma":[0.002665778,0.000365769,0.001009393,0.005623003,0.0003672235,0.0007245295,0.001069444,0.001099488,0.0003010356],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004510513,"about_ca_system_score_gemma":0.0007888787,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01776803,"about_ca_topic_score_gemma":0.01627456,"domain_scores_codex":[0.9992732,0.0002524531,0.000099867,0.0001423554,0.00009533111,0.0001368666],"domain_scores_gemma":[0.9973202,0.0003403213,0.00140746,0.0002070667,0.000298028,0.0004268655],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00004377417,0.00002263655,0.9921167,0.00009213062,0.0001640307,0.0001528258,0.0001298429,0.00009984265,0.0001229671,0.0004135686,0.001401493,0.005240047],"study_design_scores_gemma":[0.000004228788,0.0000408035,0.9972793,0.0000887545,0.00006387427,0.0004761098,0.000292797,0.00009478244,0.00002545519,0.0001762255,0.001452029,0.000005540336],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9344191,0.02805202,0.001062819,0.005253355,0.0003239029,0.00006861174,0.02069304,0.00009470434,0.01003244],"genre_scores_gemma":[0.9829299,0.01102508,0.000392567,0.0003361438,0.0001819569,0.00005394719,0.003951145,0.00001156878,0.001117775],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01776803,"threshold_uncertainty_score":0.03532922,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04202116547889542,"score_gpt":0.361568282147736,"score_spread":0.3195471166688406,"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."}}