BRD2 and endometriosis: Several studies report elevated FSH in women with endometriosis compared with unaffected women (de Carvalho et al., 2010; González‐Fernández et al., 2011; Romanski et al., 2019; Yoo et al., 2011), though a few studies found no differences (Cahill et al., 1995; Lima et al., 2006).