<prompt> The extra calorie intake required for a lactating mother is:400 Kcal450Kcal500 Kcal550 Kcal  <response>: Ans: D 550 Kcal Ref: 21st edition ParkExplanation:In first 6 months of lactation, the extra calories required is 550 kcal.In next 6 months 7-12 months, the extra calories required is 400 kcal See table below 