The daily extra calorie requirement in a normal pregnancy is:
High-Yield Explanation
The energy requirements of women are increased by pregnancy (+300 kcal daily throughout pregnancy) and lactation (+550 kcal daily during the first 6 months, and +400 kcals daily during the next 6 months) over and above their normal requirements. Ref: Textbook of Preventive and Social Medicine by K Park, 19th edition, Page 502.