Red = fertile / possibly fertile
(On red days you can plan for a pregnancy.)

Green = non fertile days
(You are not fertile on green days.)

Yellow = learning phase/cycle fluctuation
(Yellow days should be considered as red days.)

Bright blue = possible pregnancy

Dark blue = probable pregnancy

Lady-Comp/Pearly is programmed with a complex algorithm which evaluates your cycle by tracking your morning temperature (taken under the tongue) and knowing when you have your period. Lady-Comp/Pearly will then show you right away the measured temperature value and if you are currently fertile or not.

The first 2-4 cycles of use are considered as learning phase. Over the course of the learning phase, Lady-Comp/Pearly will come to understand your cycle and begin narrowing down your fertile window. The devices remain quite cautious and conservative during this time, which is why Lady-Comp/Pearly is accurate starting the very first day.

Yes. Irregular cycles are generally not a problem for Lady-Comp/Pearly. Even with irregular cycles, the device distinguishes between non fertile and possibly fertile days with a very high accuracy. However, in case of extreme fluctuations, using the device is not very beneficial, because you would get proportionally more “yellow days” displayed. Fluctuations of several days are usually not a problem. If you have questions about your unique cycle, please reach out to our team of experts.

Based on their recorded data, our fertility tracker can compensate for the occasional missed reading. We still recommend you measure as regularly as possible so that your fertile phase can be narrowed down as precisely as possible. If you have to skip measurements due to illness, Lady-Comp/Pearly will get back on track once you start again.

First things first: If you feel that there is something not right, you feel sick, or you have pain, never hesitate to consult your doctor! Most people tolerate vaccinations without any problems. Sometimes, however, vaccination reactions occur: These are almost always harmless after-effects of vaccinations, which in the vast majority of cases pass very quickly. Some vaccinated people react with a slight fever (below 39°C / 102°F), aching limbs or faintness. The fever can occur only a few hours after vaccination and last up to 3 days. Such vaccination reactions are usually completely harmless and no cause for concern. As a rule of thumb: If you wake up in the morning after the vaccination and feel different than usual, for example sick or overtired, then interrupt the measurements until you feel better again.

When staying in other time zones, set your cycle computer to the local time immediately after arrival and activate the alarm. If the time lag is more than 6 hours, we recommend skipping the measurement on the same day and the following day. Instead, you continue to measure as usual on the day after.

Only very few (hormone-free) medications have a direct influence on your measurements, but often the reason why you are taking medication can influence your temperature (e.g. fever or stress). Hormonal medication will influence your temperature and should under no circumstances be taken in combination with Daysy. If you're unsure, consult with your doctor or contact our customer service.

Smoking should not influence the result. Alcohol, if consumed excessively or when your body is not used to it, does influence basal body temperature. If you can feel that you were drinking yesterday, you should skip your reading in the morning. If you feel just fine and have no headache or other symptoms of alcohol consumption, you are fine to temp as usual.

Yes, our fertility trackers can be used while breastfeeding. You should not start measuring until 6 weeks after birth. Since there is no way to predict the first ovulation after birth, Lady-Comp/Pearly will show yellow (learning phase/cycle fluctuation) until the first menstruation is entered postpartum. Once you enter your first period, Lady-Comp/Pearly will display fewer red and yellow days in the following 2-4 cycles as Lady-Comp/Pearly gets to know your unique cycle rhythm.

The non-hormonal IUD prevents the implantation of a fertilized egg in the mucous membrane of the uterus. Because the IUD is a foreign object inside the body, it causes the production of white blood cells - similar to inflammation. These small centres of inflammation in the uterus, which are normally not detected at all, can change the waking temperature. In order to obtain precise measurement results, it is therefore advisable to remove the spiral - and only then use a cycle computer.

● excessive amounts of alcohol
● sleep deprivation
● disease or illness
● chronic physical or emotional stress
● significant exercise
● strict dietary restrictions / starvation
● malnutrition
● travel

If Lady-Comp has not received a measurement or menstrual input for a longer period of time (> 4 days) and a new cycle start is expected during this period, this message reminds you to make up for any entries you may have forgotten. If you had your menstruation during this period, add it before the
next measurement.

Use a damp cloth to carefully clean the sensor of your device. You can also use a little alcohol or soap if you wish. Since Lady-Comp/Pearly is not waterproof, make sure that only the sensor and not the whole appliance comes into contact with water.

We recommend the following steps for cleaning:

1. Clean the sensor and tip with lukewarm water and/or mild soap before and after each use.
2. Dry with a clean cloth.

These steps will reduce the number of germs or possible viruses on the surface of the device. This cleaning is sufficient for daily personal use.

If the device needs to be disinfected as well, the following steps can be practiced:

1. Wash your hands thoroughly or wear disposable gloves.
2. Clean the sensor and tip (as per steps 1 & 2 listed above).
3. Moisten the sensor and tip with a disinfectant (limited virucidal), alcohol (60-80%) or isopropanol 70%.
4. Allow to air-dry (the sensor should not touch any other objects or surfaces).

Information COVID-19:

We are taking precautions as necessary, with staff wearing gloves, use of Personal Protective Equipment and increased cleaning methods. All products are disinfected prior to shipping.

Coronaviruses are encased viruses, meaning they are encased in a lipid envelope. All disinfectants with a virucidal (antiviral) or limited virucidal spectrum of efficacy are effective against coronaviruses. A list of all tested and approved disinfectants to fight Covid-19 is available from United States Environmental Protection Agency found here: [www.epa.gov](https://www.epa.gov/pesticide-registration/list-n-disinfectants-use-against-sars-cov-2)

The agents listed can inactivate the corona virus, which means it loses its ability to be infectious. This can be done in different ways:

· Denaturation -> destruction of the virus surface
· Removal of lipids from the virus envelope -> e.g. alcohol
· Impairment to the nucleic acid of the viral genome

Alcohol is capable of destroying the virus shell and can often be found already in your home. Alcohol that is 60% alcohol is effective in inactivating the virus. However, 100% alcohol is not effective because only alcohol with a proportion of water allows the lipids to be dissolved from the virus envelope. An alcohol volume between 60% and 80% is therefore recommended. Isopropanol (70% )is also a suitable agent for the inactivation of COVID-19. You can learn more about cleaning and disinfection for households from the Centers for Disease Control and Prevention here: [www.cdc.gov](https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/cleaning-disinfection.html)

The battery life of the battery/batteries we supply with your order is at least 6 months.

Lady-Comp: Go to the settings and open the menu "Device Information".
Pearly: The device cannot display the battery charge level.

As soon as you see a battery icon on the start screen, you should change the battery/batteries soon.

Lady-Comp runs with 2 AAA batteries and Pearly with 1 AAA battery. You can also use rechargeable AAA batteries.

If for some reason, the increase in temperature is very low, Lady-Comp/Pearly will switch to displaying red days for a longer period, before switching to yellow days and, eventually, back to green days. A low rise in temperature can be an indication of a hormonal condition. During anovulatory cycles, no rise in temperature is registered because ovulation did not occur. Corpus luteum insufficiency (CLI) is another possible reason for a low or indeterminable rise in temperature because the body doesn't produce sufficient progesterone to make the basal body temperature (BBT) rise. Menopausal women can also register lower increases in temperature, because their estradiol and progesterone values are declining.

No. But be sure to use Lady-Comp daily right after you wake up, before you get up and get active. For optimal use of Lady-Comp, we recommend that you have at least 1 hour of continuous sleep before measurement.

No. Lady-Comp/Pearly only records the first daily measurement. If you have concerns about a reading, please contact our customer service team.