How to Use the Conception Date Calculator
You need to enter some basic information, to see your estimated conception date, due date and the fetal age of the baby:
1. The date of your last menstruation.
2. Your cycles' average lenght. If you don't know exactly, leave this empty to use the default value - 28 days.
3. The lenght of your lutheal phase - this is the time between your ovulation and when your period starts. It's ussually from 14 to 16 days long. Leave this empy, if you don't know what to write.
4. Press "Calculate!" and see your results.
You can use this calculator also here: http://gender-predictor.com/conception-date-calculator/