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: Gynaecology & Obstetrics
Shoulder dystocia is seen in predominantly : 
Select and explain. 
A. Transverse lie, B. Hand prolapse, C. Anencephaly, D. Cord around neck
C: Anencephaly
Answer: C: Anencephaly 
Explanation: Ans. is c i.e. Anencephaly The term shoulder dystocia is used to define a wide range of difficulties encountered in the delivery of the shoulders. Risk factors : It occurs in all those conditions where fetus is too big or in cases of mismanaged labour viz. Fetal macrosomia * Maternal diabetes * Maternal obesity Post term pregnancy * Anencephaly * Fetal ascites H/o previous macrosomia * Midpelvic instrument delivery.