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Whether oral contraceptives (OCs) produce depressive phenotypes is controversial (NEJM JW Psychiatry Dec 2016 and JAMA Psychiatry 2016; 73:1154), and their effects on biomarkers of stress, mood, and anxiety have not been studied. To examine biomarkers, investigators used cross-sectional data from a subset of participants in a longitudinal health study in Germany — 74 premenopausal women who used OCs for ≥2 years (mean age, 36) and 159 nonusers (mean age, 40).
OC use was associated with elevations in cortisol levels (drawn any time from 8 a.m. to noon), triglycerides, and certain phospholipids. Cortisol levels did not relate to self-reported depression scores. OC use was associated with smaller hippocampal volumes on MRI, unmediated by cortis…