Application form

Calculation for:

GPS coordinates *
You may set the location by clicking on the map, or dragging the location marker.
Please send Calculation
My data (I was born)
E.g., 2020-10-25
  • For small calculation approximate (around 9.00, between 8-9.00)
  • For special calculation with the precision to four minutes
E.g., 2020-10-25
If you do not have a period (due to miscarriage, childbirth), leave the field blank.
If you do not have a period (due to miscarriage, childbirth), leave the field blank.
e.g.28 days, 27-31 days or irregular
Order
1. pregnancy
E.g., 2020-10-25
E.g., 2020-10-25
In case of a miscarriage an approximate date is sufficient
I hereby confirm that I realize that the Natural Conception Control Method by Dr. E. Jonas (examined in years 1956-2000) is correct in 98% of cases. Should I happen to be an exception, I waive any claims. I also confirm that the information I have provided is true and accurate.

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