As you approach perimenopause, you may start to notice changes in your breasts. Some women discover lumps and bumps, others notice changes in size or texture, new sensitivity or discomfort. As your estrogen levels start to drop, you may notice your breasts start to shrink. This is because estrogen stimulates the glandular system for milk production. When you no longer need your breasts to be on standby for feeding, they may start to feel less dense, and this can lead to sagging.   Breast Health article   This episode discusses how to do a self-breast examination. The role the environment, your diet and lifestyle factors play in the health of your breast. Supplements and recommended testing is also mentioned.   Suggested resources: Healthy Homes for Healthy Hormones Absolutely Safe documentary Breast implants: Everything you need to know Healthy Home, Healthy Family