A patient at 16 weeks' gestation questions why another sonogram is needed as one was already performed in the first trimester.
Which statement should the nurse make?
a. "Now that you are further along, more of the baby's anatomy can be seen."
b. "This second sonogram will help validate the due date."
c. "It's done to estimate the fetal weight."
d. "This test will make sure the lungs are stable and the fetus is breathing normally."
