I am 6 months pregnant and have had to just sto...

I am 6 months pregnant and have had to just stop bf my 1 year old. (Was too painful biting) But the problem is he wont drink formula (Heinz nurture gold)(have also tried s26) or cow's milk! Am stressing as apart from about 2 or 3 sips he just refuses to have it. He loves his water tho and drinks heaps and has cheese and yoghurt everyday i'm just not sure he is getting enough calcium thru those sources alone-any ideas would be greatly appreciated! :unsure: