The incidence of iron deficiency anemia during pregnancy is very high and occurs in almost all pregnant women. Moderate to severe iron deficiency anemia can cause irreversible intellectual damage to the fetus. To prevent iron deficiency and iron deficiency anemia, you should pay attention to the intake of iron-rich foods throughout pregnancy, such as pig liver, pig blood, red meat, etc. The iron contained in these foods is heme iron and is highly absorbed. Especially recommend the pork liver. In order to better absorb the iron in pig liver, it is recommended to