how many additional calories do you need in second trimester
While guidelines vary, the Institute of Medicine says if you're a healthy weight, you need no additional calories in the first trimester, 340 extra calories a day in the second trimester, and about 450 extra calories a day in the third trimester. If you're overweight or underweight, you'll need more or less than this depending on your weight gain goal. It takes only a couple of glasses of low-fat milk and a handful of sunflower seeds or a tuna sandwich to add enough calories for that last trimester. (But you'll need to eat more if you're having more than one baby.)