Most people do not show very strong symptoms when the sperm and egg are united, only the following kinds of feelings that are easy to be ignored. One, is a persistently high basal body temperature that does not drop. Two, is loss of appetite and feeling of regurgitation. Third, it is breast tenderness, swelling, tingling, and painful touching of nipples. This is the body’s reaction to the sudden appearance of a large number of hormones, and the feeling will be reduced or even disappear after adaptation. Four, is feeling tired. Five, is frequent urination. Sixth, it is a vague pain in the abdomen, and some people have bleeding symptoms. The color of the areola and nipple changes, usually the color of the areola and nipple deepens, and some people may feel pink and blue lines on the breast. Eight, is a change in eating habits. Many people suddenly want to eat pickled food, sour and spicy food.