During pregnancy due to the body’s hormone levels, such as estrogen and progesterone may be more vigorous, this time will stimulate the second development of the breast, resulting in the expansion of the blood vessels of the breast, which will cause tingling occurs, tingling will not last too long, usually 7-10 days will end. If it is particularly uncomfortable, you can carry out local massage or local hot compresses can be relieved. But do not stimulate the nipple, so as not to cause uterine contractions, resulting in the chance of bleeding. If the pain is still particularly intolerable, it is recommended to go to the hospital and register with the breast department for breast ultrasound examination to determine whether there is any hyperplasia of the breast, whether there is any inflammation of the breast, whether there is any nodule of the breast, and physical therapy can be carried out according to the situation. At the same time, it is not impossible to use drugs during pregnancy, you can use drugs that do not affect the fetus.