Enter your age, BMI, and reproductive history into the calculator to determine your ERA score.

## ERA Calculation Formula

The following formula is used to calculate the ERA score.

ERA Score = Age Factor * (1 - Reproductive History Weight / 100) + BMI Factor

Variables:

- ERA Score is the estimated receptive age (ERA) based on the inputs
- Age Factor is a weighted value based on the user’s age
- BMI Factor is a weighted value based on the user’s BMI
- Reproductive History Weight is a percentage based on the user’s reproductive history

To calculate the ERA score, multiply the age factor by the BMI factor and adjust by the reproductive history weight.

## What is ERA Calculation?

ERA calculation refers to the process of determining the estimated receptive