2024 PN NCLEX Questions Nursing Practice Question

An amniocentesis is scheduled for a pregnant client in the third trimester. The nurse informs the client that the most common indication for amniocentesis during the third trimester is for which reason?

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Correct Answer: C

Rationale: Amniocentesis in the third trimester primarily assesses fetal lung maturity, which is crucial for determining the timing of delivery, especially if preterm birth is anticipated. Option A, while related to fetal health, primarily pertains to first and second-trimester screenings for neural tube defects rather than lung maturity. Option B focuses on infection, which is less common as a primary reason in the third trimester. Option D, assessing chromosomal abnormalities, is typically performed earlier in pregnancy, making it less relevant at this stage. Thus, option C is the most pertinent reason for third-trimester amniocentesis.