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    Gestational calculator: the 21 best ones to download

    Gestational calculator: the 21 best ones to download

    by Team AllYourVideogames | Dec 14, 2022 | Technology |


    Do you know and know how to use some gestational calculator online or for download?


    For those who don't know, gestational age is nothing more than the time calculated in weeks or days when a pregnant woman had her last period. Keep in mind that the last period will have the first day of your last menstrual cycle about three weeks before the blastocyst implantation and two weeks before ovulation.


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    The best pregnancy calculators to download

    Below, we have separated some gestational calculator options that you can download on your mobile device. Some options are for Android devices, others for iOS devices and some can be used on both. Then choose the one that you think is best and that is compatible with your device. 

    1. GCalc: Gestational Calculator

    To start our list of gestational calculators to download, we have GCalc, available only for Android devices on the Play Store.

    Gestational calculator: the 21 best ones to download

    The app allows the user to calculate the gestational age (GA), the body mass index per pregnant woman and the probable date of birth of the fetus (DPP), in addition to other more detailed information about the pregnancy and dates, all taking into account counts the date of the last menstrual period of the pregnant woman.



    The app can be used by women who are trying to conceive and by students and healthcare professionals.

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    2. Gestational Calculator: Weeks of gestation and BMI

    The gestational calculator Weeks of Gestation and BMI can be used by Android devices, in the Play Store and by iOS systems, in the App Store.

    The app is suitable for pregnant women, students and health professionals. The calculation of the gestational age is based on the date of the last menstrual period of the pregnant woman, which can also approximately track the approximate gestational weight and know the date when she became pregnant.


    Among other available functions, we can highlight the possible date of delivery and the possibility of performing the calculation also through the ultrasound exam. Other more detailed information about the pregnancy can also be viewed.

    3. Pregnancy and Weeks Calculator

    This gestational calculator option allows you to get an idea of ​​the gestational age, what stage the pregnancy is in and even the expected date of delivery.

    In addition, you will be able to follow the gestational calendar in more detail in weeks of your pregnancy.  

    The main functions offered by this application are:

    • Pregnancy summary by trimester;
    • Notes on pregnancy;
    • Detailed information about your pregnant period.

    It is worth mentioning that this app is only available for devices with Android system, in the Play Store.


    4. Gestogram and Pregnancy Weeks Calculator

    Available in Italian, Spanish, English and Portuguese languages, Gestogram and Pregnancy Weeks Calculator is a gestational calculator only available on the Play Store.


    The operation is very simple and very similar to the options mentioned above, as you can calculate the gestational age through the date of the last menstrual period or the first ultrasound exam, resulting in age in weeks.

    5. UV Obstetric Calculator

    Gestational calculator: the 21 best ones to download

    Although this option performs its function of finding out the gestational age, it may not be very suitable for some people, as it is only available in Spanish.

    It also works taking into account the date of the last menstrual period and predicts the age, possible date of childbirth and some other functions, which may not be very interesting since they take Chile measurements into account.

    The app can be downloaded from both the Play Store and the App Store. 


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    6. Pregnancy Calculator

    The Pregnancy Calculator app has three main features, which are: gestational calculator, pregnancy diary and tips.

    To calculate the age, you need to enter the date of the last period and the average length of the cycle, and then click on “Calculate” to get a result. It will be possible to receive information about the part of the pregnancy you are in, the expected date of delivery and, of course, the gestational age.


    The pregnancy diary helps you record every moment of the experience and the tips can help you deal with discomforts, sleeping positions and much more. The app can be downloaded from the App Store for Apple iOS devices and the Play Store for Android devices.

    7. Gestational Age (of the baby)

    Also available on the App Store and Play Store, the Gestational Age (Baby) app is a great choice of gestational calculator to use during pregnancy.


    In addition to calculating the age, you will also be able to check the possible date of delivery, all done through the date of the last period or the first ultrasound exam. You will also be able to calculate the gestational BMI, essential information for health control. 

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    8. Pregnancy and Gestational Age Calculator

    And last in our list of gestational calculators available only for Android devices on the Play Store, we have the Pregnancy and Gestational Age Calculator.

    Taking into account the date of your last period, the app determines the expected date of delivery and gestational age, in addition to the next date of conception.

    A differential is that you can customize the interface to your baby's name and make notes to record the entire period of pregnancy.


    9. Gestational Age (Medfolio)

    Gestational Age (Medfolio) is a gestational calculator app that can only be downloaded for iOS devices from the App Store. The calculations performed are all based on the DGS guidelines of the National Program for the Surveillance of Low-Risk Pregnancy and on the indications of the American College of Obstetrics and Obstetrics and Gynecology (ACOG).

    To find out your age, you need to enter the date of your last menstrual period. You will also receive some other additional information about the pregnancy. 

    10. My Pregnancy and My Baby Today

    My Pregnancy and My Baby Today calculates the gestational age through the expected date of delivery. The app can even serve as an aid during pregnancy, as it provides tips, information, ideas and some videos of fetal development.

    You will also be able to set up a gallery following the growth of your belly, search for possible names for the child and many other functions. The app also has a community for pregnant women, where you can chat with other people and even read scientific articles. 

    As soon as the baby is born, the app automatically updates so you have a daily guide. But these are not the only functions. The app also provides a gestational calendar, suggestions for activities to do with the baby and much more.

    It can also be downloaded only from the App Store.

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    11. Pregnancy Week by Week: Amma

    The Pregnancy Week by Week: Amma app is a gestational calculator that allows you to not only find out your gestational age, but also have other detailed information about your pregnancy at each period.

    You'll be able to track the size of the fetus week by week, as well as get information about:

    • The changes that the body undergoes;
    • Track your BMI;
    • Generate weight goals and belly growth;
    • Track contractions;
    • Forward the results directly to your doctor;
    • Follow the child's kicks;
    • Share on social networks and more.

    It is worth mentioning that it will also be possible to read scientific articles about pregnancy. However, keep in mind that the app is available for download only for iOS devices from the App Store. 


    12. Gestational Age

    One more gestational calculator option is the Gestational Age app. By calculating the date of the last menstrual period or the first ultrasound exam, you will be able to project the gestational age in past or future times.

    As with most applications, it will be possible to know the possible date of delivery, the current trimester of your pregnancy, check the recommended actions to follow in each trimester, check the history of gestational age and among other functions.

    The app can only be downloaded from the App Store.

    13. My Pregnancy Week by Week

    Gestational calculator: the 21 best ones to download

    The My Pregnancy Week by Week app, in addition to a gestational calculator, can also be considered an informative guide about pregnancy.

    The application is free and offers suggestions for actions you can follow each week of pregnancy, information about your body and baby's development, fetal images and measurements of the fetus each week.

    In addition, to make the life of pregnant women even easier, the application offers a list of tasks that you can perform each trimester, main and necessary items that cannot be missing from your hospital bag at the time of delivery to return home and prenatal care.

    One benefit is that My Pregnancy Week by Week offers a BMI calculator and kick counter so you can track your baby down to the last detail. For the time of delivery, you will have a stopwatch that measures contractions.

    The app is only available on the App Store. 

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    The best online pregnancy calculators

    Now that you know the main gestational calculator options to download on your mobile device, we have also separated some options for you to access online in your browser. Check it out below:


    14. Gestational Age Calculator

    Gestational calculator: the 21 best ones to download

    Our first choice of online gestational calculator is the Gestational Age Calculator from Portal Fetalmed.

    This calculator's system lets you know how many weeks you are pregnant using three different ways of calculating.

    The first is simpler. Just enter the date of the first day of your last period.

    The second way is through the probable date of delivery. By putting this period into the calculator, it will show you how many weeks pregnant you are currently.

    The third and final way is using the date of previous exams, usually the ultrasound.

    But remember, it is essential that you always use the date of the first ultrasound. Before calculating, you can check more details on how the gestational calculator works on the portal. It is worth mentioning that in addition to calculating the age, you will also receive a gestational calendar.

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    15. Tua SaĂşde Gestational Calculator

    The gestational calculator of Portal Tua SaĂşde is simpler compared to the one mentioned above, but it is still efficient.

    The calculation can only be done through the first day of your last period. If you don't know, you should go to a doctor to find out, if you don't want to use another calculator. 

    Using this alternative is very simple, and you just need to enter the date of the first day of your last period and click on the “Calculate” button, which will be in pink. Just below, you will be given the information on the gestational age, both in weeks and months.


    16. Gestational Calculator Changing Diapers

    Another very simple option, but which fulfills its function very well, is the gestational calculator from Portal Trocando Dialdas.

    You will be able to use it without further difficulties, as you only need to enter the first day of your last period and click on “Calculate” to check the gestational age. 

    The platform will show an upcoming date of birth and the sign that the child will have, as well as an indication of vitamins, the date on which fertilization took place and some useful information based on the date. That is, you will have information such as the day you will be able to hear the first beats and the end of the first trimester, among other functions. 

    17. Pregnancy Calculator Dr. Augusto Teixeira

    Another gestational calculator that offers three ways of calculating gestational age is the Dr. Augusto Teixeira.

    Right on the home page, you will be able to choose between performing the account with data from the first day of your last period or with the ultrasound data. 

    That way, just choose an option, enter the information and click on “Simulate” to get the results. You will be able to check information such as probable date of conception, current gestational age and probable date of delivery.

    18. Gestational Age Calculator: CSI Health

    Gestational calculator: the 21 best ones to download

    The CSI Health Portal offers the Gestational Age Calculator that also has three different ways of calculating it.

    Before starting to do the math, you will see the option “Select the criteria for the calculation”. So just choose between the result of the previous exam, probable date of delivery or date of the last menstruation and the calculator automatically adapts to the chosen type.

    After that, you just need to enter the requested data and click on “Simulate” to get the result. You will have access to a table with dates, the gestational age on each of the dates and an events column to follow each event.

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    19. AloBebĂŞ Pregnancy Calculator

    AlĂ´BebĂŞ also has its own gestational calculator, which works very simply and has only one way to calculate.

    Before we explain how to use it, it is worth noting that if you create an account and perform the calculation while logged in to the portal, you will be able to follow the history of queries carried out on the platform. 

    To use, simply enter the date of your last period and also enter the number of days in your menstrual cycle. After that, just click on “Calculate” to get the result.

    It will be possible to see the possible date of ovulation, probable date of delivery and the gestational age in weeks.

    20. Theia Pregnancy Calculator

    The Theia gestational calculator also manages to meet your needs, even having only one form of calculation available. You can find out your gestational age from the first day of your last period.

    To use, just enter the day, month and year and click on “Calculate”. The information that will appear will be simple, but sufficient.

    It will be possible to check the possible date of delivery and the gestational age in weeks.

    21. Calculation of Gestational Age Dr. Eduardo Rosa

    Gestational calculator: the 21 best ones to download

    Last but not least, we have the gestational calculator Dr. Eduardo Rosa.

    You will have two possible ways to perform the calculation: through the first day of your last period or through the probable date of delivery.

    You will need to enter the exact day of the chosen option and click on “Calculate”. You will be able to see the possible date of delivery and the gestational age in weeks.


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