Do your OPK’s peak to the same darkness every month?

Amanda

For those of you who track, do your ovulation strips peak to the same darkness every month? Last month I had a full 48hr of very dark tests.. this month I got one positive strip on a day I tested 3 times (see photo). Have I not ovulated yet? Or is it normal to vary so much in the lh surge length and value every month?

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