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: Unknown
Best treatment option for psoriasis is pregnancy among the following is? 
Select and explain. 
A. Systemic cyclosporine, B. Topical steroids, C. PUVA therapy, D. Infliximab
B: Topical steroids
Answer: B: Topical steroids 
Explanation: Ans. is 'b' i.e., Topical steroids Psoriasis treatment in pregnancy* Topical treatments are first-line treatments for psoriasis, and emollients, topical steroids, and dithranol are considered safe in pregnancy. Other options are vit D analogues, coal tar.* If these agents fail to control disease, Ultraviolet B (UVB)is the safest second-line agent, followed by ciclosporin.* For pustular psoriasis of pregnancy (impetigo herpatiformis), oral steroids are the DOC followed by ciclosporin.* PUVA is mutagenic and is contraindicated.* Methotrexate, acitretin, Hydroxyurea and biologies are contraindicated.