## Core Concept
Daily caloric needs in pregnancy increase to support the mother's health and the growth of the fetus. The recommended daily caloric intake varies by trimester. Understanding these caloric needs is essential for ensuring proper maternal and fetal nutrition.

## Why the Correct Answer is Right
The correct answer, , reflects the generally recommended daily caloric intake for pregnant women. According to nutritional guidelines, pregnant women require an additional 340 calories per day in the second trimester and an additional 452 calories per day in the third trimester, compared to their pre-pregnancy needs. However, a commonly cited average for the entire pregnancy period is an increase to about calories per day.

## Why Each Wrong Option is Incorrect
* **Option A:** This is below the recommended daily caloric intake for pregnant women and does not account for the increased caloric needs during pregnancy.
* **Option B:** While this might seem reasonable, it does not accurately reflect the increased caloric needs for pregnancy.
* **Option D:** This option exceeds the generally recommended caloric intake for pregnancy and could lead to excessive weight gain.

## Clinical Pearl / High-Yield Fact
A key point to remember is that caloric needs increase during pregnancy, but the exact amount can vary based on the trimester and individual factors such as pre-pregnancy weight. Healthcare providers often use a general guideline of an extra 300-500 calories per day during the second and third trimesters.

**Correct Answer: C. **