Supporting evidence/research/clinic reports that endometriosis can affect IVF outcomes

I’m hoping someone may know where to guide me for research, evidence or basically anything that can confirm endometriosis can affect egg quality, implantation rates etc.

I have a complaint meeting with my fertility clinic on Tuesday and I’d like to go in fully equipped for whatever excuses they may give. Basically since the start of IVF I’ve been raising concerns about endometriosis. I kept getting fobbed off and told I just have painful periods, I ovulate fine and my cycles or normal so I’m fine. Blamed it all on my partner. Also that even if I did have endometriosis they wouldn’t do anything differently as there’s not enough evidence to suggest otherwise. Two transfers later I decided enough was enough and sought help from an endometriosis specialist and I was diagnosed. I’m having an excision laparoscopy soon.

I know they’re going to give me the run around so I’m trying to be prepared 😬