Awoman's prepregnant weight is within the normal range. during her second trimester, the nurse would determine that the woman is gaining the appropriate amount of weight when her weight increases by which amount per week

1 lb (.45 kg)

The recommended weight gain pattern for a woman whose prepregnant weight is within the normal range would be 1 lb (.45 kg) per week during the second and third trimesters. Underweight women should gain slightly more than 1 lb (.45 kg) per week. Overweight women should gain about 2/3 lb (.30 kg) per week.