What does 'P' indicate on my chart?

Once you enter your first cervical mucus (CM) observation a 'P' will appear on your chart. This means the app is searching for Peak Cervical Mucus Day which can help you identify the approximate time of ovulation. 

Peak day- what is it?

Peak day is the last day of your most fertile type of mucus before an abrupt change back to lesser or non-fertile quality. From the start of your cycle, any day that CM is observed could potentially become your peak day.

Peak day is a good indicator of your ovulation event as CM will be at the most fertile at this time. Noting when you first see any cervical mucus can indicate the opening of your fertile window each cycle. Cervical mucus is an important observation to consider tracking to accurately narrow down when fertility begins and ends.

Tip: When cross-checked with a valid temperature shift, infertility can be assumed from the evening of the 3rd day after peak day

Tempdrop app - detection of peak day

The app will mark the first day of CM with a 'P'. On each day you enter cervical mucus the P will move along. Once 3 days of lesser-quality cervical mucus are noted (after the most fertile type) your peak day is confirmed and set for that cycle.  The app will update to P123 to mark a confirmed peak day.

Note: When used in Practice Fertility Awareness mode, the Tempdrop app requires CM observations to detect peak day as a cross-check to temperatures and confirm ovulation (update to luteal phase). 

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