Women pregnant after most people in pregnancy around 40 days will appear pregnancy vomiting, mainly manifested as nausea, vomiting morning symptoms are more serious, can be through small meals, eat light food, relaxation, pregnancy vomiting will gradually reduce, usually lasts about 1 month will disappear. But there are also people who do not have any feeling after pregnancy, will not appear the phenomenon of pregnancy vomiting, do ultrasound when the fetal heart, fetal buds development is normal, indicating that the pregnant woman’s physical fitness is relatively good, is a good phenomenon, so the symptoms of pregnancy reaction and the severity of the symptoms are not the same.