Inpatient Obstetric Nurse (NCC) Practice Exam

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What is the normal AFI range at term?

5-9.9 cm
10-24 cm
25-30 cm
30-35 cm

The correct answer is: 10-24 cm

The normal amniotic fluid index (AFI) range at term is recognized to be between 10 and 24 cm. This range indicates a healthy amount of amniotic fluid surrounding the fetus, which is essential for proper fetal development, cushioning, and facilitating movement. Enough amniotic fluid ensures that the fetus can safely grow and swim, providing a protective environment that helps with lung and limb development. When the AFI is below 10 cm, it may suggest oligohydramnios, a condition where there is too little amniotic fluid, which can have implications for fetal health. Conversely, an AFI above 24 cm can indicate polyhydramnios, which is an excessive amount of amniotic fluid, potentially leading to complications for both the mother and the fetus. Therefore, understanding the normal AFI range is critical for monitoring pregnancy health and managing potential risks effectively.