There is no time in your child's life that nutrition is going to be as important as it is right now, when it hasn't even drawn its first breath. Proper nutrition and good health are a vital part of having a healthy pregnancy, preventing many major birth defects and decreasing your chance of delivering a premature or low birth weight baby.
Since your baby is obviously incapable of eating by itself at this point in time they are going to get all of the nutrients they need to grow and develop properly from the foods that you eat. That means that you have to make sure that you're eating enough for both of you-and not just in mean calories either! For the next nine months the nutrients that you take in are going to have to sustain both your health and that of your fetus, so it's essential that you make sure you're getting enough of the necessary vitamins and minerals for both of you.