PLOD1 and endometriosis: Furthermore, giving testosterone to poor gonadotropin responders (who overlap with endometriosis in having low LH to FSH and short AGDs) increases retrieved oocytes and improves IVF success (Bosdou et al., 2012; Luo et al., 2014; Noventa et al., 2019; but not in Sunkara et al., 2011).