family planning

Only the calendar method of Ogino-Knauss is totally free of side-effects. It does, however, conceal the biggest safety risk. Safety is substantially improved by modern methods of measurement, supported by computer, whereby the body temperature (Cyclotest 2 Plus or LadyComp / BabyComp), hormone status in the urine (Persona ) or in the saliva (PC 2000) are measured and evaluated.