Practice fertility awareness - premium insights

Disclaimer: Fertility and ovulation insights are provided as a guide only. The app and its wearable sensor, in themselves, are not, nor are they intended to be a substitute for contraception, or a birth control method.

Tempdrop premium app subscription offers additional insights and data interpretation. Upgrade today and get the first 3 months free for more from our all-in-one charting solution. 

Learning a symptothermal method of fertility awareness is the gold standard of understanding your cycle. Tempdrop's Practice Fertility Awareness (PFA) mode can be a guidance tool as you learn. No estimates or fertile window indications are provided as users should consult with their method recourses when making fertility decisions. 

Temperature data interpretation

Temperatures jump and remain in a sustained higher range after ovulation occurs*. To evaluate if a rise in temps can validate ovulation, scientifically-backed rules must be applied. Our premium option will automatically interpret your results for you. Once the rules have been met, a red horizontal line known as a cover line (used for temp range interpretation) will appear and the days from the start of the upward shift will be counted. 

Cervical mucus interpretation

Observing and charting cervical mucus is a valuable cross-check in confirming the fertile window and ovulation. In the lead-up to ovulation, cervical mucus generally increases in quantity and the quality changes to a more fertile type. After ovulation, it abruptly changes back to a non-fertile quality. The last day of observing fertile type mucus before this abrupt change is known as "Peak day". Identifying peak day and then adding a count of 3 days in which there is no return of fertile type mucus can assist in identifying ovulation and closing the fertile window. Automatic detection of peak day (appears as a 'P' on the chart) and adding the 3-day count is a premium feature. 

Ovulation verification

After a temperature shift and peak day are verified and sustained, ovulation day will be validated and an ovulation indication is shown on the day before temps rise. Verified ovulation is shown as a solid green dot. 

Exception rule 

Temp shift and peak day will typically fall within a few days of each other. To validate ovulation, Peak must occur within the 5 days before the first day of temp shift or within 3 days after. If these two fertility conditions fall outside of this timeframe, the Tempdrop app will not update to validate ovulation. This of course doesn't mean ovulation hasn't occurred, simply that validation should be self interpreted for that cycle. 

* An upward temperature shift can be influenced by other factors outside of ovulation. Cross-checking a temperature rise against other fertility signs is always recommended when making fertility decisions. Results can vary depending on individual circumstances.

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