Introduction 46,XY XR disorder with defect in androgen receptor login to view 1 more bullet Loss of negative feedback results in ↑ testosterone and LH login to view 1 more bullet Y chromosome contains the sex determining region of Y (SRY) login to view 4 more bullets Lack of DHT effect (due to defective receptor) results in no external male sex organs Presentation Physical exam login to view 5 more bullets