Perimon - Natural Family Planning

Natural family planning program to determine up to 12,5 infertile days in the female cycle, next menstruation, the likely ovulation and forecast accuracy on a user friendly basis. For women from 18 to 45 years of age - freeware (a modern version is available online at
File Size51.17 kB
Operating System Windows 98 Windows XP Windows 95 Windows Me Windows 3.x Windows 2000 Windows
System RequirementsWindows 3.x/95/98/Me/2000/XP