Pregnant women can eat olives in moderation. Olives are very nutritious, and olive meat is rich in protein, fat, carbohydrates, vitamins and minerals. Moreover, olives can also relieve morning sickness during pregnancy, because olives have the effect of appetizing and stopping vomiting. If morning sickness is serious, olives can be washed, mashed and decocted with water to relieve morning sickness. For some processed olives, it is best to eat less, because it contains additives, which have an impact on the fetus of pregnant women.