Painful sex.. tips?

I was diagnosed with endo April og this year and negan having sex with my boyfriend in June. Since then we’ve encountered painful sex on my end, specifically pain upon entry and an uncomfortable pain during sex. So far we have tried different ways to have sex and I’ve personally tried to make sure I’m fully
Relaxed to minimise tension in my muscles. However it’s become harder to have sex as it’s has become unejoyable for me. Obviously during this time I’ve turned to google and tiktok and had alot of endo girls saying they experience the same but I haven’t found a great deal of ways to overcome the issue….