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: Medicine
The following statements regarding Turner syndrome are true except - 
Select and explain. 
A. Occurence of Turner syndrome is influenced by maternal age., B. Most patients have primary amenorrhoea., C. Most patients have short stature., D. Edema of hands and feet is an important feature during infancy.
A: Occurence of Turner syndrome is influenced by maternal age.
Answer: A: Occurence of Turner syndrome is influenced by maternal age. 
Explanation: Occurence of Turner syndrome is not affected by maternal age. It is Down's syndrome which is affected by maternal age (Risk of Down's syndrome increases after 35 yrs. of maternal age*)