This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pharmacology, Subject name: Pharmacology
A newborn baby was born with phocomelia. It results due to which drug taken by mother during pregnancy? 
Select and explain. 
A. Tetracycline, B. Thalidomide, C. Warfarin, D. Alcohol
B: Thalidomide
Answer: B: Thalidomide 
Explanation: Thalidomide disaster (1958-61) resulting in thousands of babies born with phocomelia (seal-like limbs) and other defects focused attention to this type of adverse effect. Tetracyclines cause discolored and deformed teeth, retarded bone growth in children Warfarin causes depressed nose; eye and hand defects, growth retardation in childrenAlcohol causes low IQ baby, growth retardation, fetal alcohol syndrome in children Ref; KD Tripathi pharmacology 7 th editon (page no; 89)