The perinatal nurse examines the thyroid gland as part of the physical examination of Savannah, a pregnant woman who is now at 16 weeks' gestation. The perinatal nurse informs Savannah that during pregnancy (select all that apply):
a. Increased size of the thyroid gland is normal
b. Increased function of the thyroid gland is normal
c. Decreased function of the thyroid gland is normal
d. The thyroid gland will return to its normal size and function during the postpartal period
ANS: a, b, d
The thyroid gland changes in size and activity during pregnancy. Enlargement is caused by increased circulation from the progesterone-induced effects on the vessel walls, and by estrogen-induced hyperplasia of the glandular tissue. The thyroid gland increases not decreases in size and activity during pregnancy. The thyroid gland returns to normal size and activity postpartum.
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