Mammary gland hyperplasia is a common and prevalent disease among women of childbearing age, with data showing that the incidence is over 80%. What are the conditions that need to be examined at a breast specialist? 1. Newly discovered abnormal breast lumps; 2. Breast pain with menstrual disorders or simple menstrual disorders for years, even without breast discomfort; 3. Cystic hyperplasia of the breast; 4. Family history of breast cancer (blood relatives); 5. Late marriage, first menstruation before the age of 12, not breastfeeding or breastfeeding for less than six months should have at least one specialist examination before the age of 35; 6. Premenstrual pain in the breast 7. nipple overflow; 8. check for congenital nipple invagination at the beginning of pregnancy, and preparation of lactation soup one month before delivery; 9. skin abnormalities in the breast area; 10. breast dysplasia or premature development.