When are a woman's calorie needs greatest (selecting from the situations given below)?
a. During the first trimester of pregnancy.
b. The second trimester of pregnancy.
c. The third trimester of pregnancy.
d. During breastfeeding, when breast milk is the infant's only food.
a. During the first trimester of pregnancy.
b. The second trimester of pregnancy.
c. The third trimester of pregnancy.
d. During breastfeeding, when breast milk is the infant's only food.