This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Papulosquamous Disorders, Subject name: Skin
Drug of choice for psoriasis in pustular psoriasis in pregnancy is? 
Select and explain. 
A. Methotrexate, B. Ciclosporin, C. Systemic steroids, D. Azathioprine
C: Systemic steroids
Answer: C: Systemic steroids 
Explanation: Ans. is 'c' i.e., Systemic steroids * Pustular psoriasis in pregnancy can usually be successfully treated with topical and systemic corticosteroids.