On molecular level, both suture and inoculation models of endometriosis induced a pro-inflammatory state with increased concentrations of pro-inflammatory cytokines IL-1β and/or TNF-α (Cao et al., 2004; Zhou et al., 2010; Laux-Biehlmann et al., 2015a; Boyken et al., 2016; Mishra et al., 2020). Here, IL1B is linked to endometriosis.