Yes its worth trying and of course ther is a whole lot of informatio out here but remember to check with your OBGYN on these diets and remedies.
i would suggest frozen food and fruits ice lollies freezits as silly as this sound it helped me a lot... i would avoid vomitting on my way from the doctor (only time i would go outside) by eating a slushy or freezit or iced water,
avoid greasy food,spicy fppd try bland foods it worked for me,
cracker and toast or other dry foods help others as for me it did not work,
trial and error women are differnt go to what you crave for the most and see if it works too becasue hunger and thirst makes you weak... remember not to force yourself, you may ernd up vomiting more.