- Basal Body Temperature - 

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The sympto-thermal method uses basal body temperature tracking to identify the bi-phasic nature of temperature throughout the menstrual cycle and locate the thermal shift that occurs following ovulation as a result of post-ovulatory progesterone production. Users are taught how to identify their high temperature days following ovulation and close their fertile window within several days of ovulation. This allows them to enter their post-ovulatory definitely infertile phase following ovulation until menstruation begins again.

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** This information is also taught to women trying to conceive to help them identify if their luteal phase is long enough to support implantation. This information is also helpful for women trying to achieve pregnancy because many are under the misguided notion that one should concentrate intercourse to the day of temperature rise, which, is likely too late.

- Cervix Position & Texture - 

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The sympto-thermal method uses the natural changes in cervix position and texture throughout the menstrual cycle to confirm the opening and closing of the fertile window, as well as what is being seen with cervical fluid and temperature. Users are taught how to manually check the cervix and how to recognize when the cervix is in its high, soft, and open position leading up to ovulation, as well as when the cervix is in its low, firm, and closed position during infertile phases of the cycle.

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