hi, my wife is 9 weeks pregnant and contiously having the problem of postitive ketones, most of the times it goes up to 3 plus, plus she is having nausea, vomiting and giddiness and if vomiting start it never stops until we go to the ER give an injection of Emerson and rantac and couple of IV fluids. what can i do to avoid getting a positive ketone and how to stop vomiting and giddiness