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
Which ATT drug is to be avoided in pregnancy - 
Select and explain. 
A. INH, B. Rifampicin, C. Streptomycin, D. Ethambutol
C: Streptomycin
Answer: C: Streptomycin 
Explanation: Ans. is 'c' i.e., Steptomycin o Streptomycin is an aminoglycoside antibiotic contraindicated in pregnancy due to risk of fetal ototoxicity,o Recommended treatment in pregnancy is (2HRZ + 4HR) for 6 months by WHO and British Thoracic Society,o Ethambutol can be added during late but not early pregnancy.o In India, treatment for pregnant women is 2HRE + 7 HR (Total 9 months).