This application is based on scientific research on the periods.

Why use this application?

The app supports the scientific research and methods that were used to create the baby gender calculator. It shows the best days to conceive a baby and avoid pregnancy.

This application is a free and convenient way to find out the fertility dates. 

The full version of the app is available here:

The application calculates the fertile days of the month based on the date of the last period and shows the date of the next period. The best days to conceive a baby are also presented on the screen. The application is very convenient and reliable. You don't need to find out the fertile days by yourself.

What's new?

New version of the app with all the latest updates.