Usually the color of the breasts does not change from dark to light in the early stages of pregnancy, and if accompanied by other uncomfortable symptoms, you should be alert to the occurrence of miscarriage and other conditions. Breasts have significant changes during pregnancy, the first few weeks of pregnancy pregnant women often feel breast swelling, or tingling sensation and tenderness, after 8 weeks of pregnancy, the breasts increased significantly, and there is pigmentation and easy to erect, areola coloring, due to more scattered sebaceous gland hypertrophy and the formation of nodular protrusions known as “Montgomery’s nodes”, which is a sign of pregnancy in the early stages of the physical signs. In the early stages of pregnancy, pregnant women’s body hormone levels rise, but also prone to dizziness, body fatigue, loss of appetite, nausea and vomiting, aversion to grease and other early pregnancy reactions, pregnant women can also appear breast color deepening phenomenon. Therefore, the color of breasts in the early stage of pregnancy will not change from dark to light, if accompanied by abdominal pain, vaginal bleeding and other abnormalities, you should be alert to the occurrence of miscarriage and other accidents. If there are no other uncomfortable symptoms other than the lightening of breast color, pregnant women can observe for a period of time or consult a doctor for examination to ascertain whether the embryo is developing normally. In the early stage of pregnancy, pregnant women should pay attention to keep their body and mind happy and avoid excessive tension and anxiety. She should also pay attention to rest and ensure a balanced intake of nutrients to meet the needs of embryonic development.