Assessment of the relative capacity of AMH and AFC for predicting oocyte yield demonstrated that AMH dominated the model : AMH , R ( 2 ) = 0.29 and 0.23 ; AFC : R ( 2 ) = 0.07 and 0.07 ; AMH + AFC : R ( 2 ) = 0.30 and 0.23 for long GnRH agonist and GnRH antagonist trials , respectively .