It is normal to have obvious hunger during pregnancy, because pregnant women need more nutrients and energy and consume more, that is, one person eats and two people absorb, so the hunger is faster. Especially in early and late pregnancy, the increased level of progesterone in the body will stimulate the gastrointestinal nerves to occur rapid peristalsis, the fetus develops faster in late pregnancy, and requires more nutrients and energy, which must be given from the pregnant woman’s diet, and all the nutrition of the fetus depends on the pregnant woman’s supply. In pregnancy itself will be a great change from mood and psychological factors, appetite will become more sensitive than usual, physical fitness, the energy required with emotional stability and increase, subject to brain conditioning hunger faster, pregnancy diet should be regular, nutrition should be balanced.