This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
True about gall stones - 
Select and explain. 
A. More common in female, B. Gall stones, haitus hernia, CBD stones form Saints triad, C. Limely bile precipitated, D. Lithotripsy always done
A: More common in female
Answer: A: More common in female 
Explanation: Women are three times more likely to develop gallstones than men, and first degree relatives of patients with gallstones have a two-fold greater prevalence" Ref -Schwaz, 9/e p1142.