Signs of pregnancy body reactions include cessation of menstruation, breast tenderness, nausea and vomiting. Cessation of menstruation is the first manifestation symptom of pregnancy and once you are pregnant, your period will not come back. Some women may feel tingling and swelling in the breasts, and the color of the areola may deepen and the nipple may protrude noticeably. Nausea and vomiting are also common in early pregnancy, and there are some dietary preferences for acids and aversion to oil and grease. In the ovulation period without measures sexual intercourse, the possibility of pregnancy is very high, to go to the hospital obstetrics and gynecology department in time to do the relevant examination, to confirm whether the pregnancy. Each person’s constitution is different, the body’s response is also some differences, pay attention to timely supplementation, to avoid malnutrition and problems.