KONOTOKI:Ovulation prediction

＼Very simple! ／
All you have to do is enter your period. The app will inform you of your "most fertile time" and "due date of your next period."
You can also enter your basal body temperature and weight easily, and the app will create a chart automatically. The chart can be output in PDF file.


＼All in one function supporting your pregnancy／
All necessary functions supporting your pregnancy are included in the app, ranging from estimate of your next ovulation date & menstruation date, management of your basal body temperature, physical condition, treatment to advice for your efforts to conceive!
The app calculates the most fertile time based on your estimated ovulation date and inform you of the best timing for pregnancy.
You can receive explanation on women's physical condition according to menstrual cycle and advice for your efforts to conceive, under supervision of experts. This will help you get your body ready for pregnancy.
The level of support can be changed from simple management to careful one by switching the mode. The careful management mode will support your management of hospital visit, medicine and injection.


＼A couple can share the app!／
By connecting the couple’s apps, the both can share pregnancy prediction, the woman’s physical condition record and each other’s schedule.
The app can inform the most fertile time, which the woman may hesitate to say directly to the partner, which leads to mitigation of stress.
The man can work together for pregnancy by getting the information on the woman’s physical condition and change of mood from the app.
One-tap message function will become available when the apps are connected. You may use it to make an appointment for your important day.



【What KONOTOKI can do】
*Prediction of your ovulation date, most fertile time and due date of next period
*Management of your basal body temperature and weight by chart
*Schedule management of your hospital visit, medicine and injection
*Explanation on your physical condition & advice for your efforts to conceive are available under supervision of experts
*Information sharing and sending/receiving of messages between the couple by connecting the apps
*All functions are available free of charge


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Most suitable for the person below!
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・Hope for pregnancy
・Want to know your ovulation date in a simple way
・Want to know the most fertile time in a simple way
・Want to get advice for pregnancy
・Want to inform your partner of the most fertile time
・Want to know the woman’s period and physical condition
・You and your partner want to work on pregnancy together
・Want to manage your basal body temperature and the chart automatically
・Want to get pregnant in a planned manner
・Suffering from infertility
・Want to manage your fertility treatment medicine and hospital visit
・Bothered by expensive fertility treatment cost and ovulation date checker


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Facilitate communication
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In many cases, women manage and understand their ovulation date and fertile time. In this situation, they may hesitate to inform such timing to their partners.
KONOTOKI helps to solve this issue by simultaneously informing the couple of the most fertile time.


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About KONOTOKI's Ovulation Calculation
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The app uses the Ogino method of calculation to compute days with high likelihoods of achieving pregnancy.


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Contact Us
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We greatly appreciate our users' valuable opinions and impressions, but we are not currently able to reply individually in the Google Play.
We would be grateful to receive all inquiries, requests, and bug reports by e-mail at the following address:

[email protected]

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KONOTOKI supports the couple who wish to have a baby
May a Fantastic Day Come to You!

~ KONOTOKI Development Team
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