Confirmation of membership waiting period crazy

Joint Bonitas as from 1 January 2018 ******** waiting period 3 months due to disability born PMB classified hemiplegic and is main member This never was mentioned to me otherwise I would not have join Bonitas. Never had I ever had an exclution on any medical aid due to my disability or had a laps between medical aids Because of this I'm forced to look for a new medical aid My disabled friend is also with Bonitas had never ever had a waiting period. This is discrimation