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| Boy or Girl ? |
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| Boy or Girl allows you to conceive a child of the desired gender with up to 95% probability ! |
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| It also calculates a woman's Fertile and Infertile days from her date of birth up to 1 year in advance. |
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| Boy or Girl calculates a woman's Fertile and Infertile Days from her date of birth. If you also enter the birth time and birthplace, the application can estimate the probability of conceiving a boy or a girl with a success rate of up to 95%. The application allows couples to naturally plan conception up to one year in advance. |
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| The calculations are based on astronomical and biological relationships. This version of the application provides three types of calculations: |
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| Fertile Days for Natural Conception |
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| The application calculates 7 highly fertile days in each 29-day cycle. These days represent the period with the highest probability of conception, with an estimated success rate of up to 90%. |
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| Infertile Days for Natural Contraception |
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| The remaining 22 days of each 29-day cycle are considered naturally Infertile days. You can use these 22 Infertile Days as a natural contraceptive method with a probability of up to 90%. During these periods, no additional contraceptive methods are normally required. To further increase confidence, you may also use a pharmacy fertility test, which usually measures female hormone levels. |
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| Boy or Girl Prediction |
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| Within each 7-day fertile period, the application calculates a 24-hour time window with the highest probability of conceiving either a Boy or a Girl. The prediction can reach an estimated success rate of up to 95%, depending on four astronomical calculation rules. |
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| Install the app on your Android phone or tablet to learn more. |
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| Download link Boy or Girl ? for Android application. |
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| See also the Instructional Video guide for using the application. |
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| Technical parameters |
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| Minimum recommended device configuration: |
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| Android 9 or higher, 3 GB RAM. |
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| 1 GB RAM has a limited function of manual input and automatic loading of GPS geographic coordinates. In that case, use the selection of the nearest city from the default City Database to enter the place of Birth and Conception. The database contains cities with a population of over 15,000 and all the capitals of the world. |
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