Aromatase inhibition causes increased amplitude, but not frequency, of hypothalamic-pituitary output in normal women.
Kucherov A, Polotsky AJ, Menke M, Isaac B, McAvey B, Buyuk E, Bradford AP, Hickmon C, Babbs B, Berga S, Loucks T, Santoro N. Aromatase inhibition causes increased amplitude, but not frequency, of hypothalamic-pituitary output in normal women. Fertil Steril. 2011 May; 95(6):2063-6.