{"id":"W4412118466","doi":"10.1002/ajhb.70077","title":"Salivary/Serum Progesterone Ratio Differs Between Menstrual Cycle Phases but Not Between Populations: Implications for Health, Reproductive, and Behavioral Research","year":2025,"lang":"en","type":"article","venue":"American Journal of Human Biology","topic":"Menstrual Health and Disorders","field":"Medicine","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"Michigan State University; College of Engineering, Michigan State University; Indiana University","keywords":"Menstrual cycle; Luteal phase; Confounding; Population; Follicular phase; Physiology; Venous blood; Demography; Medicine; Blood sampling; Menstruation; Internal medicine; Hormone; Environmental health","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":[0.004788756,0.0004835305,0.0004375899,0.0009203263,0.0008447752,0.001000643,0.0008246507,0.0005032425,0.002142617],"category_scores_gemma":[0.008851353,0.0003139844,0.0005949166,0.001208592,0.00203941,0.0007997604,0.001007174,0.0006029345,0.0001499523],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001029679,"about_ca_system_score_gemma":0.00101737,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01815691,"about_ca_topic_score_gemma":0.01195074,"domain_scores_codex":[0.9970424,0.001499858,0.0001357974,0.0007515945,0.0001853673,0.0003849463],"domain_scores_gemma":[0.9971865,0.001182482,0.0009919672,0.0003183166,0.0001868872,0.000133815],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005041971,0.0001104575,0.9812883,0.0001285895,0.0004063139,0.0000952662,0.001989405,0.0000894723,0.00100148,0.0008298128,0.0002417656,0.01331484],"study_design_scores_gemma":[0.00001916376,0.0001775907,0.9964561,0.00005123224,0.00008059885,0.00007787615,0.001793075,0.000143864,0.0001559373,0.0005096002,0.0005280816,0.000006797095],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9922636,0.003735127,0.0008150495,0.0006350258,0.00006576297,0.00007242397,0.0003669948,0.000008384307,0.002037745],"genre_scores_gemma":[0.9987218,0.0002834547,0.0004725277,0.0001775447,0.00002477225,0.00004296021,0.0001104454,0.000003464128,0.0001629545],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01815691,"threshold_uncertainty_score":0.03610247,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2460601226116627,"score_gpt":0.5494758885203932,"score_spread":0.3034157659087305,"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."}}