What is Perimon? Perimon is a family planning system, that allows you space for own decisions. Perimon is a period monitor, which gives you insight in your cycle.For whom is Perimon?Perimon is made for women from 18 to 45 years, who ...- want to perceive the various, cyclic changes in their body- do not want to have birth control taken away by a system- are interested in simple and time-effective birth controlIs birth control by Perimon safe?Perimon was build and tested in seven years of practical usage and isn''t inferior to other systems of natural family planning. Fact is: Natural birth control is less safe than chemical. Instead it has other advantages...Why is Perimon freeware?Using Perimon is free of charge, because its user surface is out of date (operation without mouse and graphics). I offer it, because it nevertheless performs outstanding.What is the aim of Perimon?Perimon becomes unnecessary, if woman can perceive the individual phases of her cycle on her own (her ovulation, her premenstrual variation in mood, her fertility and infertility). advantages of Perimon:- no initial costs, no current costs- uncomplicatedly in use (no daily measurements have to be done or entered, just the dates of the menstruation have to be inputted once a month)- you get in contact with the femal body / cycle- is natural and has no side effectsdisadvantages of Perimon:- max. 12.5 days are being "unblocked". That are only 63% of the actually possible days.- on the remaining days prevention must be done otherwisely- you are invited to watch your cycle- first forecasts after 3-4 periods, fully functional after half a year