Question
A 24-year-old female delivers an infant who develops severe respiratory distress and dies shortly after birth. At autopsy, there are hypoplastic lungs and absent kidneys. Which of the following findings was most likely present prenatally?
| A. |
Maternal hyperglycemia
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| B. |
Oligohydramnios
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| C. |
Placenta previa
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| D. |
Partial mole
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Show Answer
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Correct Answer � B
Explanation
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Ans. B. Oligohydramnios
Explanation: This child had Potter syndrome, a condition marked by pulmonary hypoplasia, limb deformities and characteristic facies (including suborbital creases, a depressed nasal tip, low-set ears, and retrognathia) as a result of oligohydramnios. Potter syndrome classically occurs in fetuses with bilateral renal agenesis, where the lack of fetal urine causes oligohydramnios. Amniotic fluid is required for proper lung development.
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