Across nearly 400,000 women's medical records, a quiet erasure has been documented: menopause — a transition that reshapes the body's relationship to heart disease, bone density, and metabolic health — appears in clinical records at barely one-seventh the rate women themselves report it. A University of Colorado study published in the journal Menopause reveals not a problem of inaccuracy, but of omission, as medical systems built around billable diagnoses routinely fail to record one of the most consequential passages in a woman's life. The consequence is not merely administrative — it is a st