In early pregnancy, due to the effect of pregnancy reaction, you will show nausea, vomiting and loss of appetite, so the nutrients can not be completely absorbed, anorexia occurs during this period, resulting in some nutrients can not be eaten, so during this period there will be a phenomenon of low blood pressure. When the pregnancy reaction is mild, you should eat as much as you can, but do not eat too greasy food. If you eat too greasy food, it will easily aggravate the burden on your stomach, leading to increased nausea and vomiting. During this period should eat some fresh fruits, vegetables, meat in moderation, you can eat some lean meat, milk, egg yolk, if the blood pressure is too low to affect the normal life of the case, you need to timely intravenous fluid supplementation, increase the energy combination, in order to be able to improve blood pressure, enhance physical fitness.