Mid-pregnancy more intake of iron-rich foods, such as animal liver, lean meat, egg yolk, kelp, black sesame seeds, sesame paste, black fungus, soybeans, mushrooms, brown sugar, oilseed rape, celery, etc. If necessary, can be supplemented under the guidance of the doctor a small dose of iron; more calcium-rich foods: milk and dairy products, beans, nuts, green vegetables, all kinds of melons and so on. Ideal weight before pregnancy (kg) = height (cm) – 105 Note: 10% are within the normal range.