Just pregnant breasts may have no change, there may also be breast enlargement, areola color deepening, the emergence of Montgomery’s nodes and other changes. 1. No change: the time of the first pregnancy is relatively short, the body’s hormone levels have not increased significantly, at this time there is no change in the breast for the time being. 2. Breast enlargement: with the increase of the number of days of pregnancy, the hormone levels in the body will increase, which may stimulate the proliferation and expansion of mammary ducts and mammary gland follicles, and there will be the manifestation of breast enlargement and breast pain. 3. Deepening of areola color: After pregnancy, the body is affected by pituitary lactogen, placental prolactin, estrogen, progesterone, growth hormone and other hormones, which promotes the enhancement of skin melanocyte activity, and there will be a deepening of areola color, and the nipple and areola will become black. 4. Appearance of Montgomery’s Nodule: After pregnancy, you can also observe some brown nodular bumps around the areola, which is called Montgomery’s Nodule and is a physiological manifestation. Each woman’s physical condition is different, after pregnancy breast changes are also different from person to person, the above symptoms are not absolutely will appear. If you experience breast discomfort during pregnancy, you should go to the hospital in time to avoid delays. At the same time, do a good job of pregnancy test, abnormalities at any time to deal with.