id: sig-20260710-menstrual-cycle-definition
site_id: menstrual-cycle-changes
site_hint: "Menstrual cycle changes (perimenopause) — symptom"
attribute: definition
value: "STRAW+10 defines early perimenopause by a persistent difference of >=7 days in the length of consecutive menstrual cycles, and late perimenopause by an interval of >=60 days of amenorrhea; changes in menstrual cycle length are typically the first clinically recognizable sign of the transition."
source_url: https://pmc.ncbi.nlm.nih.gov/articles/PMC3340903/
source_title: "Executive summary of the Stages of Reproductive Aging Workshop +10 (STRAW+10)"
publisher: STRAW+10 Executive Summary (Menopause / consensus)
observed_date: "2026-07-10"
collected_by: gn_info_scout/1.0.0
confidence: high