Within the same sex group, intragroup comparisons revealed that the levels of P and the PRL-E2/T ratio in women with hypertension in the 11–15 years since menopause group were significantly lower than those in women with hypertension in the 5 years since menopause group and those in the 6–10 years since menopause group (Table 2, P < 0.05). Here, PRL is linked to Hypertension.