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
All of the following indicate superimposed pre-eclampsia in a pregnant female of chronic hypeension except: (Asked twice) 
Select and explain. 
A. New onset proteinuria, B. Platelet count < 75,000, C. Increase in systolic BP by 30 mm Hg and diastolic by 15 mm Hg, D. Fresh retinal hypeensive changes
C: Increase in systolic BP by 30 mm Hg and diastolic by 15 mm Hg
Answer: C: Increase in systolic BP by 30 mm Hg and diastolic by 15 mm Hg 
Explanation: Answer- C. Increase in systolic BP by 30 mm Hg and diastolic by 15 mm HgSevere range BP despite escalation of antihypeensive therapy, Thrombocytopenia (Platelet count<1,00,000/mL)Elevated liver transaminases (two times the upper limit of normal concentration for paicular laboratory)New onset and worsening renal insufficiencyPulmonary edema.Persistent cerebral or visual disturbances