Brachial artery FMD in premenopausal (Pre), early (Early Peri) and late perimenopausal (Late Peri), and early (Early Post) and late postmenopausal (Late Post) women. *, P < 0.001 and §, P = 0.03 vs. premenopausal women; †, P < 0.001 vs. early perimenopausal; ‡, P < 0.001 vs. late perimenopausal.