disability cover

I was contacted by Outsurance offering me their life cover which I was interested and they offered this quote as Policy Notepad - OT***0 (DR N SINCADU) and they were waiting for the Underwriter for the medical check. Then today, 14 April 2015, Outsurance calls me that the policy was approved but they are not going to cover me for disability due to the fact that I have endometriosis. I objected at this point as there is no relation that an endometrisis sufferer is subjected to a disability and at that point I said that I cancel the policy because Outsurance was **************g against people living with endometriosis.