Breast tenderness in early pregnancy is considered to be a reaction to early pregnancy, which usually disappears slowly at around 2 months of pregnancy. However, due to the different physique of each person, there are some pregnant women whose breast swelling will disappear only after 3 months of pregnancy. Early pregnancy due to maternal estrogen, progesterone will rise, thus stimulating the breast gland ducts and alveolar hyperplasia, fat deposition, so early pregnancy will appear breast swelling. With the hormone level of the body gradually stabilized during pregnancy, generally in the second month of pregnancy, breast swelling will automatically disappear. However, due to individual differences, some pregnant women may not experience breast tenderness until about 3 months after pregnancy. If the feeling of breast swelling persists, it may be related to the fact that the pregnant woman has breast hyperplasia, which is caused by the increase in hormone levels during pregnancy, and may be accompanied by a painful sensation in some cases. If you feel the swelling and pain worsening, you need to go to the hospital for treatment after clarifying the cause of the problem. Clinical advice in early pregnancy to pay attention to the diet, nutritional balance; maintain a happy mood, self-regulation of stress, avoid emotional excitement; regular work and rest, do not stay up late. If the feeling of breast swelling continues to worsen, you need to go to the hospital in time, to clarify the cause of the disease and then symptomatic treatment.