2, walnuts (shelled, eat three or five a day), brain; Amaranth, folic acid supplement; Eat more vegetables and supplement vitamins.
3, bone soup should not be supplemented too much, once a week is enough, but it is not good for the fetus, and it is not conducive to the recovery of the postpartum body, because eating too much oily food will inhibit the development of the fetal brain and increase the burden on the body; Vegetarian food should be eaten more, and it's good to go with vegetarian food.