Final answer:
For a healthy woman with a normal prepregnancy BMI, daily caloric requirements during lactation are typically baseline caloric needs plus 400-500 calories.
Step-by-step explanation:
The daily caloric requirements during lactation for a healthy woman with a normal prepregnancy BMI are typically baseline caloric needs plus 400-500 calories. According to various sources, an average lactating mother needs an extra 300-500 calories per day to meet the demands of milk production. However, it's important to note that individual caloric needs can vary, so it's always best for a lactating mother to consult with a healthcare professional to determine her specific needs.