Early symptoms of pregnancy generally refer to the increase of chorionic gonadotropin (HCG) in the body of pregnant women around 6 weeks after menopause, causing some symptoms, as follows: 1. menopause: generally women of childbearing age, menstruation is normally normal, after sex for more than two weeks after the normal period, suggesting possible pregnancy; 2. easy to feel tired: after pregnancy, luteinizing hormone will be secreted in large quantities, making pregnant women exhausted; 3. regurgitation, nausea Nausea: the majority of women, in the early stages of pregnancy will have nausea, vomiting feeling, generally in the morning is the most serious, and then gradually reduce, but also can last all day; if nausea, vomiting is very strong, you can seek medical help. In addition, there can be appetite transformation, such as the food you normally love to eat, become unloved; 4, breast abnormalities: including tingling, swelling, itching sensation in the breast, as a normal physiological phenomenon in early pregnancy. Under the joint stimulation of estrogen and progesterone, there may also be changes such as deepening of areola color and obvious protrusion of nipples; 5, frequent urination: after the third trimester of pregnancy, the uterus is increasing in size and the bladder is pressed by the uterus, so symptoms of frequent urination will occur. The above symptoms generally do not require special treatment. After 12 weeks of pregnancy, most of the symptoms will be relieved naturally as the HCG level decreases.