Figure 2From: Hormone replacement therapy use and plasma levels of sex hormones in the Norwegian Women and Cancer Postgenome Cohort – a cross-sectional analysis Flow chart of menopausal status classification in the study sample. Level c: 16 postmenopausal women not using HRT had premenopausal plasma levels of E2 and FSH, including 2 of the 9 women reporting irregular menses, while 14 of the 30 women reporting irregular menses had postmenopausal plasma levels.Back to article page