{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007738951,0.0008064651,0.000547341,0.0007230954,0.003874601,0.0007201367,0.0009188369,0.001215198,0.001809959],"category_scores_gemma":[0.001906439,0.0004591796,0.0005592139,0.000599459,0.0007117369,0.0006643187,0.001443875,0.001155649,0.0005620128],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008391128,"about_ca_system_score_gemma":0.001052944,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00442325,"about_ca_topic_score_gemma":0.01159092,"domain_scores_codex":[0.9994511,0.0001237616,0.00005853238,0.00007196221,0.00009228207,0.0002023783],"domain_scores_gemma":[0.998948,0.000119833,0.000109214,0.00006199568,0.00007807984,0.000682836],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001399091,0.01350481,0.697313,0.000141795,0.0001752588,0.1694531,0.0221443,0.001364504,0.01238295,0.0006478169,0.002127588,0.07934587],"study_design_scores_gemma":[0.0003806572,0.01530377,0.6354315,0.00009257886,0.0002081469,0.3081667,0.02675316,0.002892397,0.004481599,0.000736321,0.005301542,0.0002516871],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9988104,0.0001822062,0.000175404,0.00009443027,0.0000171926,0.00001800217,0.00001692205,0.000007385278,0.0006780794],"genre_scores_gemma":[0.9965504,0.0004391274,0.000758784,0.0001103657,0.0000318698,0.00002362378,0.00009760355,0.000011758,0.001976395],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00442325,"threshold_uncertainty_score":0.008795023,"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."}}