{"id":"W2794127037","doi":"10.1002/uog.19004","title":"Prolonged duration of persistent cell‐free fetal DNA from vanishing twin","year":2018,"lang":"en","type":"letter","venue":"Ultrasound in Obstetrics and Gynecology","topic":"Prenatal Screening and Diagnostics","field":"Medicine","cited_by":35,"is_retracted":false,"has_abstract":true,"ca_institutions":"Hospital for Sick Children; University of Toronto; SickKids Foundation; Mount Sinai Hospital","funders":"","keywords":"Medicine; Aneuploidy; Fetus; Cell-free fetal DNA; Obstetrics; Gynecology; Gestational age; Pregnancy; Prenatal diagnosis; Biology; Genetics; Chromosome","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":"codex-gemma-dda1882f352a","candidate_categories":["metaresearch","metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0002345201,0.0002842137,0.0007006611,0.0003242234,0.00006800236,0.00004049636,0.0002371758,0.001239694,0.0001523529],"category_scores_gemma":[0.06071809,0.0002732239,0.0001919958,0.0002915281,0.0002221625,0.00007326806,0.0001257113,0.001168838,0.00001473392],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001738897,"about_ca_system_score_gemma":0.0001461761,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004154106,"about_ca_topic_score_gemma":0.00009199677,"domain_scores_codex":[0.998001,0.000129616,0.0006042618,0.0005182382,0.0003408914,0.0004059905],"domain_scores_gemma":[0.9639212,0.03498372,0.0003428524,0.0004973924,0.0001630861,0.00009169825],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0002020316,0.0007592793,0.07478824,0.001147161,0.0006591431,0.001936391,0.002448564,0.00001946456,0.003041612,0.00004829932,0.8969831,0.0179667],"study_design_scores_gemma":[0.007949278,0.003830386,0.03617863,0.0004799884,0.001333994,0.0001677269,0.0005586985,0.0005042473,0.001968115,0.001271219,0.9447466,0.001011178],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9403095,0.007500746,0.00008224269,0.04028031,0.003021139,0.0009760106,0.0006174541,0.00006325982,0.007149374],"genre_scores_gemma":[0.9135153,0.001951574,0.003099884,0.0753025,0.001716823,0.00004446831,0.003029155,0.00008275796,0.001257556],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.06048357,"threshold_uncertainty_score":0.999972,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01557329402356541,"score_gpt":0.2291993374239993,"score_spread":0.2136260434004339,"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."}}