It is normal not to have any reaction in the early stage of pregnancy and there is no need to be too anxious. After pregnancy, due to the rise of HCG level in the body, most of the pregnant women will have nausea, vomiting, fatigue and other early pregnancy reactions at about 6 weeks after menopause, and most of them will disappear by themselves at about 12 weeks after menopause. However, not all pregnant women will have early pregnancy reaction, some pregnant women do not have any reaction in early pregnancy, as long as the ultrasound suggests that the embryo is well developed, which is normal, do not worry too much. For the light reaction or no reaction of early pregnancy pregnant women, can increase the appropriate dietary nutrition, appropriate increase in fresh fruits and vegetables, but also prohibit smoking and alcohol, to avoid unnecessary medication.