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
Smoking in pregnancy causes all except : 
Select and explain. 
A. IUGR, B. PIH, C. APH, D. PPH
D: PPH
Answer: D: PPH 
Explanation: Smoking Carbon monoxide and nicotine are responsible for fetal adverse effects.There is an increase in miscarriage,abruptio placenta,preterm premature rupture of membranes,preterm labour,and intrauterine growth restriction.There is an increased risk of sudden infant death postpaum.Both active and passive smoking are implicated TEXTBOOK OF OBSTETRICS,SHEILA BALAKRISHNAN,pg no:574,2nd edition