The nurse explains to the prenatal class attendees that at full term about 10 to 11% of the maternal weight gain is attributed to which of the following?
A.
Blood, uterine, and breast tissue
B.
Fetal tissue
C.
Maternal reserves
D.
Placental fluid
ANS: D
During early pregnancy, maternal weight gain is related to an increased blood volume, which is necessary to supply the enlarging uterus and to support fetal growth and development. As the pregnancy progresses, enlargement of the placenta and fetal body add to the woman's increase in weight. By term, maternal extracellular fluid, blood, uterine tissue, and breast tissue comprise 35% of the gestational weight gain; the maternal reserves comprise 27%; fetal tissue comprises 27%; and placental fluid comprises 11% of the total maternal weight gain.
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