How many additional calories are recommended for pregnant women during the second trimester?

During the second trimester of pregnancy, women are typically advised to increase their caloric intake by about 300 calories per day. This recommendation is based on the increased energy needs to support the growing fetus, as well as the physiological changes occurring in the mother’s body that enhance energy expenditure. During this stage, the baby undergoes significant growth, requiring sufficient nutrients and energy to ensure healthy development. The extra 300 calories can come from nutrient-dense foods that provide essential vitamins and minerals needed during pregnancy, making this adjustment crucial for maternal and fetal health.

In contrast, the first trimester usually does not require additional caloric intake or may require minimal increases, while the third trimester may see variations in caloric needs depending on individual circumstances. However, the widely accepted guideline for the second trimester is indeed an increase of approximately 300 calories per day, which supports the assertion that the correct answer is the recommendation for that specific timeframe.