This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical, surgical and gynaecological illness complicating pregnancy, Subject name: Gynaecology & Obstetrics
At what period does the tuberculosis flare up most commonly in a pregnant patient? 
Select and explain. 
A. First trimester, B. Second trimester, C. Third trimester, D. Puerperium
D: Puerperium
Answer: D: Puerperium 
Explanation: Pregnancy will not worsen the clinical course of the disease,if under treatment .However,there is an increased chance of relapse in the peurperium. Refer page no 324 and AIPGME question and answer given on page no 326 of Text book of obsteics,sheila balakrishnan,2 nd edition.