title: Looking at the endometrial biopsy with evidence-based medicine.
abstract: The results of the study of endometrial biopsy for the diagnosis of infertility, which appear in this issue, are valid. Likelihood ratios and the receiver operating characteristic curves indicate that an out-of-phase test result is worse than useless; it is misleading.
authors.affiliation: Department of Obstetrics and Gynecology, Stanford University, Stanford, California, USA. EmmetLamb@Stanford.edu
authors.forename: Emmet J
authors.initials: EJ
authors.lastname: Lamb
mesh_terms: D001706:Biopsy; D004717:Endometrium / Q000473:pathology*; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000473:pathology*; D016013:Likelihood Functions; D005791:Patient Care; D012372:ROC Curve