AMH and endometriosis: However, in women with AMHless than 1.1 ng/ml, the long GnRH-agonist protocol yielded more oocytes,while in women with AMH greater than 2.7 ng/ml, the GnRH-antagonist protocolled to an increased number of oocytes retrieved.18 Rodriguez-Purata et al.16 included all stages of endometriosis and found a significantly highernumber of oocytes retrieved using the long GnRH-agonist protocol(p = 0.001).