The angle between the petals is the probability of getting preg-
nant in percentage, as represented by the Fertile Window An
overlay of the flower, the Fertile Window, and the calendar
colors can help you better understand your Fertile Window
Days
-8
-7
-6
-5
Fertile
Window
-4
-3
-2
-1
+1
+2
Ovulation
10. Cleaning and maintenance
WARNINGS
In order to prevent damage to the strip holder, do not use ben-
zene, petrol or any solvents for cleaning Do NOT sterilise the
Pearl Fertility Holder by boiling, with gas or with an autoclave
1 Separate the protective cover from the stripholder by
sliding the protective cover and the stripholder in opposite
directions
2 Clean the strip holder with water after each use
3 Dry the strip holder with a soft, dry cloth Do not disinfect
+3
the strip holder
30