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
A syndrome of multiple congenital anomalies including microcephaly, cardiac anomalies and growth retardation has been described in children of women who are heavy users of: 
Select and explain. 
A. Amphetamines, B. Barbiturates, C. Heroin, D. Ethyl alcohol
D: Ethyl alcohol
Answer: D: Ethyl alcohol 
Explanation: Teratogenecity of alcohol is the Fetal alcohol syndrome(dose related) which includes pre and post natal growth restriction,facial abnormalities like shoened palpebral fissure,low set ears,smooth philtrum,thinned upper lip, and mid facial hypoplasia CNS defects like microcephaly,mental retardation and behavioral disorders. TEXT BOOK OF OBSTETRICS,Sheila Balakrishnan,2nd edition,page no.565