It is best not to eat only vegetarian during pregnancy, as this is unbalanced and not conducive to the normal development of the embryo. However, individuals with different beliefs, such as Buddhists who believe in Buddhism, abstain from meat after pregnancy, so they can only eat vegetarian. It is recommended to eat more soy products to replenish protein and fresh fruits and vegetables to replenish vitamins in order to facilitate the normal development of the fetus. If the fetus is relatively small, it may be necessary to order some nutrients, such as amino acids or energy supplements to ensure a more balanced nutrition of the fetus, so that it can develop better.