Talk to your health care provider about how much weight you should gain during your pregnancy. General weight-gain recommendations listed below refer to pre-pregnancy weight and are for women expecting only one baby.
If you are underweight, you should gain: about 27 to 40 pounds
If you are normal weight, you should gain: about 25 to 35 pounds
If you are overweight, you should gain: about 15 to 25 pounds
If you are obese, you should gain: about 15 pounds or less