Pregnant women can eat mackerel. Pay attention to folic acid intake during early pregnancy, because folic acid is related to the development of the fetal nervous system. Lack of folic acid during pregnancy can easily cause neural tube defects in the fetus, such as anencephaly or spina bifida, and the chances of developing cleft lip and cleft palate are also increased. Many natural foods are rich in folic acid, including various green vegetables (such as spinach, lettuce, asparagus, cabbage, cauliflower, etc.), animal liver and kidneys, beans, fruits (bananas, strawberries, oranges, etc.), dairy products, etc. Rich in folic acid. In order to ensure protein intake, pregnant women can appropriately supplement milk, eggs, beans, and hard fruits.