{"id":"W4386170125","doi":"10.1016/j.jogc.2023.102199","title":"Validation of Ultrasound Dating Protocols Using Data From Twins Conceived Through In Vitro Fertilization in Nova Scotia: A Retrospective Cohort Study","year":2023,"lang":"en","type":"article","venue":"Journal of Obstetrics and Gynaecology Canada","topic":"Assisted Reproductive Technology and Twin Pregnancy","field":"Medicine","cited_by":1,"is_retracted":false,"has_abstract":false,"ca_institutions":"Dalhousie University","funders":"Faculty of Medicine, Dalhousie University; UNC Department of Obstetrics and Gynecology; Dalhousie Medical Research Foundation","keywords":"Medicine; Nova scotia; In vitro fertilisation; Cohort; Retrospective cohort study; Human fertilization; Cohort study; Obstetrics; Gynecology; Pregnancy; Surgery; Internal medicine; Archaeology; Genetics; Anatomy","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":true,"about_ca":true,"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":[0.005492013,0.0006900363,0.001142675,0.002548663,0.002342849,0.00182228,0.002249743,0.000840933,0.001161678],"category_scores_gemma":[0.02598277,0.001165753,0.0007794043,0.004355057,0.001441657,0.0006008206,0.002291873,0.0007696937,0.0003236382],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.007361403,"about_ca_system_score_gemma":0.01138182,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.7558028,"about_ca_topic_score_gemma":0.8084912,"domain_scores_codex":[0.9929276,0.00201611,0.001148374,0.001371527,0.001427998,0.001108413],"domain_scores_gemma":[0.9691501,0.006929681,0.009688469,0.004087993,0.008187938,0.001955723],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001015557,0.00002135397,0.9975432,0.00003271396,0.0000901052,0.0001815759,0.0009053545,0.0000520806,0.0002119732,0.0000358883,0.0001327184,0.0006915442],"study_design_scores_gemma":[0.00001574477,0.00005155895,0.99806,0.00005375427,0.00006240496,0.0001878053,0.001031551,0.0001749229,0.00005844366,0.000009945836,0.0002857174,0.000008139004],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.997618,0.0002757421,0.0002751481,0.00004751348,0.00001733243,0.00009424489,0.001110338,0.00000358123,0.0005580098],"genre_scores_gemma":[0.9978262,0.0001852307,0.000384716,0.00007802972,0.000006173374,0.0001098115,0.001077658,0.00001073475,0.0003213762],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2441972,"threshold_uncertainty_score":0.4912706,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06368624835028122,"score_gpt":0.333975368663979,"score_spread":0.2702891203136978,"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."}}