The function of the mammary gland: The mammary gland is the result of a long evolutionary process in mammals, and its greatest function is to nurture offspring, while all other social functions are derived from human society itself. The structure of the mammary gland is a complex system of ducts whose main function is to control when and how much milk is produced. The daily health care of the mammary gland: 1, in accordance with the laws of nature: excluding other social factors, from the physiological point of view alone, women of childbearing age, to the age of childbirth, the breastfeeding when the breastfeeding. The first thing you need to do is to take a look at the actual site and see if you can find it. The breast is a target organ for many sex hormones, and the changes in sex hormones are influenced by the changes in the menstrual cycle, and all the factors that affect the menstrual cycle have an impact on the breast. Regular review: once a year before the age of 35 and once every six months after the age of 35, especially if you have a family history of breast cancer.