<prompt> Answer this question truthfullyIs it possible to use an MRI for the diagnosis of amenorrhea?  <response>: <reason> There are no MRI findings associated with amenorrhea. However, a MRI may be helpful in the diagnosis of the diseases that can cause amenorrhea, such as polycystic ovary syndrome PCOS, androgen insensitivity syndrome, anatomic genital defects, and also pituitary adenoma. 