Pork waist is a pig’s kidney, pregnant women eat pork waist properly on the fetus is good, pork waist contains protein, fat, carbohydrates, calcium, phosphorus, iron and vitamins and other nutrients, there is a healthy kidney and waist and kidney qi, the effect of diuresis, pregnant women during pregnancy, blood volume increases, the load on the kidneys also increased, and some people in the late stages of pregnancy can appear in the body edema, appropriate to eat pork kidney not only to replenish nutrients, promote the healthy growth and development of the fetus, but also to nourish the kidneys to work better to eliminate the body edema, and to promote the healthy growth and development of the fetus. Promote the healthy growth and development of the fetus, but also nourish the kidneys, so that the kidneys work better, to eliminate body edema. But the pig’s kidneys and adrenal glands are often close together, that is, the brown glandular tissue above the kidneys, which is rich in corticosteroid and medullary hormones, after accidental ingestion of nausea, vomiting, numbness of the hands and feet, muscle weakness and other symptoms of toxicity, so be sure to clean before eating, scrape it off thoroughly, pig kidneys contain a lot of cholesterol, pregnant women can cause cardiovascular related diseases by eating too much.