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Clearblue Fertility Monitor - Question

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user1470147116 · 28/12/2016 11:31

I have been using the CBFM for past 12 months and always get Peak every month.

This month I have not yet got any Peak and now getting to end of cycle.

I used Boots ovulation strips this month around the days that I would expect to get a peak and I got a very clear positive positive on the strips.

But why did the CBFM not pick up the surge??