USMLE Step 2 CK Lecture Notes 2019: Obstetrics/Gynecology (Kaplan Test Prep)

excessive exercise). FSH will be low. Kallmann syndrome is the inability
of the hypothalamus to produce GnRH and also anosmia. The defect is in
the area of the brain that produces GnRH, but it’s also close to the olfactory
center. CNS imaging will rule out a brain tumor.
Management. Estrogen and progesterone replacement for development
of the secondary sexual characteristics.