More than one month of pregnancy belongs to the early stage of pregnancy, at this time can appear early pregnancy reaction. Clinical manifestations vary from person to person, as follows: First, menstrual changes, there will be menopause, if relative to the previous menstrual cycle is delayed for more than one week did not come as scheduled, we should consider pregnancy. Second, digestive symptoms, generally about 6 weeks pregnant will appear nausea, decreased appetite, aversion to grease, taste abnormalities and other symptoms, vomiting symptoms are light and heavy, light does not require special treatment, the serious ones, if it leads to electrolyte disorders, dehydration, ketonuria, we should be hospitalized in a timely manner. Third, urinary symptoms, after pregnancy due to the increase of the uterus, the bladder will cause a certain amount of pressure, thus appearing frequent urination, urinary urgency, increased nocturia symptoms. Fourth, mental symptoms, due to changes in hormone levels in the body after pregnancy, can lead to chest tightness, fatigue, drowsiness, emotional instability and other symptoms. Fifth, skin, mammary gland and other changes, due to changes in the level of estrogen in the body, there will be stretch marks, stretch marks, areola, nipple and vaginal mucosa color deepening.