Nutrition Evolve Case Studies Practice Test

How do energy and nutrient needs change during lactation compared with pregnancy?

Higher energy needs than during pregnancy Higher energy during lactation than pre-pregnancy but lower than late pregnancy; increased protein and micronutrient needs to support milk production Same energy and nutrient needs as during pregnancy No additional protein or micronutrient needs

Correct Answer:

Higher energy during lactation than pre-pregnancy but lower than late pregnancy; increased protein and micronutrient needs to support milk production

Explanation:

During lactation, the body must supply energy and nutrients for milk production, so energy needs rise compared with the pre-pregnant state. But these needs are typically not as high as in late pregnancy, when fetal growth and organ development demand peak. At the same time, milk production drives higher requirements for protein and several micronutrients to ensure both adequate milk quality and maternal reserves. That combination—more energy than pre-pregnancy, but less than late pregnancy, along with increased protein and micronutrient needs to support milk—best matches the physiological shift after birth.

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