OPERATING PRINCIPLE
During the menstrual cycle of women, estrogen levels dra-
matically increase prior to ovulation. The increase in estro-
gen levels invokes the saliva composition to change, which
causes the dried saliva to form fern-like crystallization pat-
terns. This is an indication that ovulation is imminent and the
women is most fertile.
EN
To examine the crystallization pattern, a small drop of saliva
is placed on the lens of the Geratherm
ovu control. Once the
®
saliva has air-dried, the eye piece is brought to close proxim-
ity to the eye for viewing. The blue button at the lower part of
the device is pressed to activate the light and the pattern can
be examined at 50-fold magnification.
During the less fertile days, the so-called gravel structure
appears, which has motifs similar to dots or water bubbles.
Clinical benefi
The Geratherm
ovu control is a mini microscope that can
®
be used to determine the fertile days in the female cycle.
As a result, this device can help to fulfill the desire to have
children.
INTENDED PURPOSE
The Geratherm
ovu control is a device for self-testing to
®
help identify the fertile days of women during the menstrual
cycle. It provides information by means of self-identification
of a ferning-pattern in the saliva of women. This is an indi-
cation that ovulation is imminent. By knowing when they are
fertile, women can plan intercourse to improve their chances
of conceiving.
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