Is it possible for 2 positive days back to back?

Lindsay • After 9 miscarriages,we got our little miracle in Feb 2016. My little Aidan! Trying now for baby #2!
So this month has a been a slow progression for me to the big "o". I've received very clear positives on CD21 and CD22 and at this rate it looks tomorrow might be the same. Is this possible? I was under the impression only one day could be positive. Thanks for any feedback you have ladies :)

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