Figure 1From: A descriptive study of variables associated with obtaining nipple aspirate fluid in a cohort of non-lactating womenPercent of women yielding fluid by menopausal status and 5-year age groups; Sartorius Nipple Aspirate Cohort, 1970–1990. * natural menopause is defined as menopause that was not induced by chemotherapy, radiation or ovarian ablation.Back to article page