A nurse is caring for a client at the first prenatal visit who has a BMI of 23.5. The client asks how much weight she should gain during pregnancy. Which of the following responses should the nurse make?

"The recommendation for you is about 15 to 25 pounds."

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

"A gain of about 1 pound per week is the best pattern for you."

"It would be best if you gained about 11 to 20 pounds."