My specialty is different, but I will add my comments, see if they help
Known to have endometriosis and PCOS from age 18. Now on Dihydrocodeine, Naproxen
& Cyclizine and Paracetamol, and omeprazole
1. You had upper abdominal pain both sides radiating backwards to the small of theback, and then you were diagnosed to have helicobacter positive peptic ulcer. You had MRI and BMI (Ba meal imaging?) Did you have an ultrasound scan of the abdomen?