A nurse is caring for a client at the first prenatal visit who has an ideal body weight for her height. The client asks how much weight she should gain during pregnancy. Which of the following responses should the nurse make?

"A gain of about 1 pound per week is recommended for you."

"A gain of about about 15 to 25 pounds is recommended for you."

"A gain of about 25 to 35 pounds is recommended for you."

"A gain of about 30 to 40 pounds is recommended for you."