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The key to understanding your fertility

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Basal body temperature is an important part of the female cycle. It is used to determine fertile and non-fertile days as well as ovulation. BBT changes during the cycle in line with the hormones and thus shows you your ovulation, the different cycle phases and your menstruation.

These temperature measurements can provide you with valuable information to increase or rule out the likelihood of pregnancy, and to get to know your body's unique rhythm.

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The basal body temperature (BBT) marks the low point of your body temperature during the day and occurs during a longer period of rest.

During the night, your body comes to rest and your body temperature reaches its lowest point. As the basal body temperature is measured every morning directly after waking up, it is also called the "wake-up temperature." Shortly after waking up and making your first movements, your core body temperature rises again.

Due to the measurable influence of the sex hormone progesterone on the basal body temperature, the wake-up temperature varies according to a recurring pattern over the course of your cycle. You can therefore use this method to accurately determine the follicular phase, your ovulation, and the subsequent luteal phase based on a slight rise in temperature.

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Basal body temperature is an important part of the female cycle. It is used to determine fertile and non-fertile days as well as ovulation. BBT changes during the cycle in line with the hormones and thus shows you your ovulation, the different cycle phases and your menstruation.

These temperature measurements can provide you with valuable information to increase or rule out the likelihood of pregnancy, and to get to know your body's unique rhythm.

Text (CMS) Title - H2 / H3

The basal body temperature (BBT) marks the low point of your body temperature during the day and occurs during a longer period of rest.

During the night, your body comes to rest and your body temperature reaches its lowest point. As the basal body temperature is measured every morning directly after waking up, it is also called the "wake-up temperature." Shortly after waking up and making your first movements, your core body temperature rises again.

Due to the measurable influence of the sex hormone progesterone on the basal body temperature, the wake-up temperature varies according to a recurring pattern over the course of your cycle. You can therefore use this method to accurately determine the follicular phase, your ovulation, and the subsequent luteal phase based on a slight rise in temperature.