Suddenly breast pain is considered normal or due to fetal termination caused by the female mammary glands are relatively special, after pregnancy due to the body’s hormone level changes, resulting in nipple, areola color deepening, breasts gradually become bigger caused by swelling and pain. Breast pain can also be affected by emotions, clothing, bras, tops looser will not cause stimulation of the breast, pain symptoms will gradually ease. As each person has different adaptive ability, women with strong adaptive ability, breast discomfort and early pregnancy reaction will disappear soon. In early pregnancy is prone to biochemical pregnancy, should pay attention to, the embryo stops developing or miscarriage when the pain symptoms will also disappear. Due to the estrogen and progesterone caused by early pregnancy, the HCG content increases before stimulating the growth of the breast’s glandular follicles. When the hormone content decreases when the fetus stops developing, the breast pain will gradually stop, and you should go to the hospital in time for abdominal ultrasound and blood test for HCG to find out the condition of the fetus.