Discovery health-Essential Smart plan lies on maternity benefits

I recently found out I was pregnant and my medical aid (Discovery health, Essential Smart Plan) promises paid up to full antenatal consultations only to find out there are no gynecologists that covers my consultations on my list of hospital networks or out of my hospital networks. It's very disheartening and a waste of money that noone could assist me. Why promise and advertise the benefits for this plan when it's a lie.