{"id":"W2033318761","doi":"10.1097/01.aog.0000109427.85586.71","title":"The Association Between Fetal Sex and Preterm Birth in Twin Pregnancies","year":2004,"lang":"en","type":"article","venue":"Obstetrics and Gynecology","topic":"Assisted Reproductive Technology and Twin Pregnancy","field":"Medicine","cited_by":42,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Ottawa","funders":"","keywords":"Medicine; Obstetrics; Confounding; Gestational age; Confidence interval; Twin Pregnancy; Population; Logistic regression; Relative risk; Gestation; Odds ratio; Pregnancy; Demography; Internal medicine; Biology","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":[0.002035202,0.0003513552,0.000366559,0.0008881374,0.0002921637,0.0005416875,0.0003716761,0.0003642949,0.001019406],"category_scores_gemma":[0.01417464,0.0002713025,0.0005263299,0.0006789297,0.0003916262,0.0004365722,0.0005989827,0.0005055855,0.0001345995],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002029179,"about_ca_system_score_gemma":0.0002711699,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002565683,"about_ca_topic_score_gemma":0.001854857,"domain_scores_codex":[0.9987915,0.0005939119,0.0001076958,0.0002046986,0.0002131289,0.00008904095],"domain_scores_gemma":[0.9948583,0.001659708,0.002466661,0.0003509488,0.0003630581,0.0003013747],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000329694,0.000008741425,0.9969205,0.00002413113,0.0001554852,0.0001408958,0.00005541071,0.00004683625,0.0003590063,0.00004034596,0.00003805295,0.001881008],"study_design_scores_gemma":[0.00002602362,0.0002190952,0.995064,0.00003437678,0.0001939548,0.003130982,0.0001054417,0.0004578813,0.000324321,0.0001258276,0.000310013,0.000008081048],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9972842,0.001822323,0.0004374418,0.00006049525,0.00001667309,0.000005364202,0.0001591149,0.000002614378,0.0002118428],"genre_scores_gemma":[0.9989045,0.0005369409,0.0003181024,0.00001272035,0.00001439965,0.00000470306,0.0001177774,0.000002630736,0.00008822936],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002565683,"threshold_uncertainty_score":0.01076329,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01157571331025391,"score_gpt":0.242608275503761,"score_spread":0.2310325621935072,"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."}}