A Client Learns That She Is Pregnant with Twins After

A client learns that she is pregnant with twins after an ultrasound. The client asks the midwife how much weight she should gain during the pregnancy. Which of the following statements made by the midwife is the most accurate?

A) "You need to gain one pound per month during the first trimester, and then one pound per week during the last two trimesters."
B) "You need to gain one pound per month on all three trimesters."
C) "You should gain one pound per week during the entire pregnancy."
D) "You need to control your weight gain. You must not gain more than fifteen pounds during the entire pregnancy."