What describes a feature of calcium nutrition in pregnancy?
A) The RDA for calcium increases by over 100 percent.
B) Intestinal absorption increases substantially.
C) Supplements are required for most women due to the increased needs.
D) Transfer of calcium from maternal stores to the fetus increases rapidly at the beginning of the second trimester and falls during the last trimester.
Question 2
Of the following nutrient needs, which is considered the most difficult to meet during pregnancy, often because of low body stores?
A) iron
B) protein
C) vitamin D
D) vitamin B6