AMH and endometriosis: Endometriosis, by contrast, is associated with lower ovarian reserve (Seyhan et al., 2015; Shah, 2013), increased primordial follicle recruitment (Takeuchi et al., 2019), fewer antral follicles (Muzii et al., 2018), and a steeper rate of decline in AMH (Kasapoglu et al., 2018).