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. 2015 Jan 12;100(3):812–824. doi: 10.1210/jc.2014-3344

Figure 1.

Figure 1.

An overview of neuroendocrine causes of amenorrhea and infertility, including physiological, pathophysiological, and iatrogenic etiologies. *, Possible causes of sellar masses and lesions, including infiltrative and infectious processes, are listed in Table 1. **, In humans, high-dose glucocorticoids may also decrease the responsiveness of the pituitary to GnRH stimulation (7).