Numerous studies have shown that the development of a child is influenced not just by their own diet, but also by what their parents ate, even before birth. This is why the entire family’s diet should be rich in nutrients already at the planning stage. But how can you know that what you put on the menu will ensure the optimal development of your child? First of all, you need to be aware of which elements play a key role both in conception and at later stages of a child’s development, as well as how to determine their levels in the body.