1. What is Pregnancy EER?

Pregnancy EER (Estimated Energy Requirement) is the average dietary energy intake that is predicted to maintain energy balance in a healthy pregnant woman. It accounts for the additional energy needs during different stages of pregnancy.

2. How Does the Calculator Work?

The calculator uses the following formula:

Where:

• Non-pregnant EER — The woman's estimated energy requirement before pregnancy
• Trimester-specific Increment — Additional calories needed:
  • First trimester: +0 kcal/day
  • Second trimester: +340 kcal/day
  • Third trimester: +452 kcal/day

Explanation: The energy needs increase progressively during pregnancy to support fetal growth and maternal tissue changes.

3. Importance of Pregnancy EER Calculation

Details: Accurate EER estimation helps ensure adequate nutrition for both mother and developing fetus while preventing excessive weight gain.

4. Using the Calculator

Tips: Enter your non-pregnant EER (can be calculated using standard EER equations) and select your current trimester of pregnancy.

5. Frequently Asked Questions (FAQ)

Q1: Why is there no increment in the first trimester?
A: The first trimester typically doesn't require additional calories as fetal growth is minimal and maternal changes are primarily hormonal.

Q2: Are these values the same for all women?
A: These are general guidelines. Individual needs may vary based on pre-pregnancy weight, activity level, and multiple pregnancies.

Q3: How do I calculate my non-pregnant EER?
A: Non-pregnant EER can be calculated using standard equations that consider age, weight, height, and physical activity level.

Q4: What if I'm underweight or overweight before pregnancy?
A: Consult with a healthcare provider as your energy needs may differ from standard recommendations.

Q5: Are these values appropriate for twin pregnancies?
A: No, multiple pregnancies typically require additional calories beyond these standard increments.