{"id":"W1972863174","doi":"10.1016/j.fertnstert.2009.03.064","title":"Monozygotic twinning: an eight-year experience at a large IVF center","year":2009,"lang":"en","type":"article","venue":"Fertility and Sterility","topic":"Assisted Reproductive Technology and Twin Pregnancy","field":"Medicine","cited_by":108,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"York University","keywords":"Medicine; Incidence (geometry); Obstetrics; Pregnancy; Gynecology; Embryo transfer; Gestation; Monozygotic twin; Zygosity; Twin Pregnancy; Live birth; Monochorionic twins; Biology","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002748995,0.0001850189,0.0003308825,0.0000467331,0.0002424613,0.00001393617,0.0001072461,0.0002004014,0.0002612475],"category_scores_gemma":[0.0001257199,0.0001516891,0.00007241041,0.0001237907,0.0002662747,0.0002054556,0.0001046944,0.0002667764,0.00002124176],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006572253,"about_ca_system_score_gemma":0.00002207577,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000006956303,"about_ca_topic_score_gemma":0.00001366443,"domain_scores_codex":[0.9984164,0.00009171542,0.0002690406,0.0007171408,0.0001510317,0.0003546709],"domain_scores_gemma":[0.998786,0.00001443269,0.00005328526,0.0008961021,0.00007158158,0.0001785677],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.01405835,0.00164723,0.9680497,0.0001025467,0.00003672219,0.00006814436,0.002775871,7.455671e-8,0.003244977,0.0001170017,0.00006603821,0.009833368],"study_design_scores_gemma":[0.001045291,0.0004646754,0.9926551,0.00005529335,0.00002593899,0.00004604191,0.0002565632,0.00008453377,0.002843268,0.001019069,0.001367672,0.0001365569],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9954357,0.0004970857,0.0002765824,0.0007687447,0.0001087551,0.0003321562,0.00002013611,0.0001843233,0.002376494],"genre_scores_gemma":[0.9985265,0.00001115639,0.0004009851,0.0004326526,0.00003382436,0.00001315311,0.00002767524,0.00000698131,0.0005471036],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02460542,"threshold_uncertainty_score":0.6185704,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02528044519233639,"score_gpt":0.3004994917837168,"score_spread":0.2752190465913804,"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."}}