Clinically there is basically no better way to prevent the return of breast milk breasts become smaller, you can appropriate breast massage hot compresses or sports. It is relatively normal for the breasts to become smaller after childbirth, mainly because the body’s estrogen and progesterone levels have reached a normal state, the mammary ducts retracted, so there will be symptoms of the breasts becoming smaller. If you want to prevent excessive shrinkage can be appropriate breast massage, hot compresses, can promote breast blood circulation. Usually also need to appropriate sports, such as breast expansion exercise, can promote breast muscle development, relieve breasts small. Usually also need to pay attention to personal diet, back to the milk process need to wear the right underwear, scientific weaning. If you have any other questions, it is recommended to consult a professional doctor for guidance.