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 females, B. Gall stones, hiatus hernia, CBD stones from saints traid, C. Limey bile precipitated, D. Lithotripsy always done
A: More common in females
Answer: A: More common in females 
Explanation: Factors that may increase your risk of gallstones include: Being female Being age 40 or older Being overweight or obese Being sedentary Being pregnant Eating a high-fat diet Eating a high-cholesterol diet Eating a low-fiber diet Having a family history of gallstones Having diabetes Losing weight very quickly Taking medications that contain estrogen, such as oral contraceptives or hormone therapy drugs Having liver disease Ref: Sabiston 20th edition Pgno :1492