whether you are pregnant with twins etc... If your pre pregnancy weight was 'health normal', ie. if you were not obese or underweight, then the healthy weight gain during your pregnancy is between 25 ...

If you begin at a healthy weight, your aim is to gain 1 to 4 pounds (0.5 to 1.8 kilograms) in the initial months of pregnancy. There's no need for extra calories, just a nutritious diet.