This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
In PIH an impending sign of eclampsia is: 
Select and explain. 
A. Visual symptoms, B. Weight gain of 2 lb per week, C. Severe proteinuria of 10 g, D. Pedal edema
A: Visual symptoms
Answer: A: Visual symptoms 
Explanation: As you know, severe preeclampsia progresses to eclampsia if not treated promptly,hence symptoms of severe preeclampsia can also be called as indicators of Impending eclampsia.
Signs of Impending or Imminent eclampsia/:

Headache (severe)

Symptoms of severe preeclampsia/

Blurring of vision/flashing lights

Symptoms associated with poor prognosis

Epigastric pain
Brisk deep tendon reflexes and ankle clonus
Diminished urinary output (<400 ml/24 hours).