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BioClock - Fertility & Pregnancy Calculator
 
 
 
BioClock is the most powerful, yet simple and easy to use, fertility and pregnancy calculator.  Designed by an ObGyn for women themselves, it is powerful and accurate enough to be the choice for many obstetricians and midwives.

You can easily and accurately calculate your own due date from your last period, date of conception, or from an early ultrasound.  Once one parameter is entered, the others are calculated and displayed on the main screen. For example, you can enter your due date and see when your last period was or when you likely conceived. The precise gestational age of your baby is displayed clearly.
 
Remember that doctors use "menstrual dates" to estimate the age of your pregnancy. This means that your gestational age is expressed in weeks from your last period instead of from the date of conception.  Therefore, if you have just missed your period and discovered your pregnant, doctors will say that you are 4 weeks pregnant, yet you are actually carrying a baby that was conceived 2 weeks ago.  A full term pregnancy is typically expressed as 40 weeks after the first day of your last period or 38 weeks after conception.  Keep in mind, however, that these calculations are estimates only and are based on a regular 28 day menstrual cycle.  If you are like most women, and have a slightly longer or shorter cycle, then you need to take that into account to accurately date your pregnancy or determine the best time to get pregnant.   Rest assured that BioClock not only takes this into consideration, but also accounts for leap years. Simply modify your cycle length, if it is not 28 days, and BioClock will accurately determine your precise pregnancy dates.
 
To change a dating parameter, simply click on it.  You will be taken to a secondary screen to set the appropriate date.  Once modified, click on "Done" to be taken back to the main screen.  The parameter utilized in the calculation will be highlighted and the other dates and your current estimated gestational age will be displayed automatically.  The ultrasound dating parameter remains empty unless you use that parameter to date your pregnancy.
 
 
 
You can quickly and easily determine the precise gestational age of your baby at any time during your pregnancy, or determine how far along you will be at a certain date.   This is accomplished through a unique, easy to use, “Gestational Age and Date” interface.  This is the most utilized feature of BioClock and calculates on-the-fly.
 
 
 
For instance, if you need to have a blood test done at 28 weeks, simply click on the gestational age icon at the bottom of the main screen. A "gestational age picker" will instantly appear above it. Simply select "28 weeks" and the date on which you will be 28 weeks will be automatically displayed below. If you wish to know how far along you will be on a certain date, simply click on the date icon and select that date in the "date picker" that appears above. Your gestational age on that date will be automatically displayed. To return to the main screen simply click on the blue ‘x’ icon.

For your protection, BioClock contains optional password security and memory features. If utilized, when you open BioClock, your due date and current gestational age is automatically displayed.
 
 
 
In addition to powerful and accurate calculations, BioClock also includes unique calendar options to assist women in predicting future menstrual cycles, keeping track of cycle length, and predicting fertile days.
 
  • The Due Date calendar displays your "due date range", or the dates on which the majority of healthy women can expect to see their baby.   Remember that only 5% of babies are born on their due date, however, the majority of women go into labor naturally with the 10 days on either side.  For that reason, many doctors often give their patients a "due date range”, which is displayed, instead of a specific “due date”.
 
 
  • If you are trying to get pregnant, the Fertility calendar can help you improve your chances by suggesting the best times to be intimate.  Knowing your fertile days can help you increase your chances of getting pregnant, or help avoid an unplanned pregnancy. Obviously, if you don’t want to get pregnant, it’s very important to use an effective contraceptive method.  This calendar also estimates and displays your next few menstrual cycles, which can be helpful for planning purposes.

    Your predicted future menses (colored shades of red), ovulation date (release of egg - colored yellow), and best days to get pregnant (fertile days - colored green) are shown.  You are most fertile on the day before and the day after ovulation, but sperm can live in your body for approximately 4 days and your egg can survive for 24-48 hours after being released.  Therefore, your fertile period starts approximately 4 days before ovulation and ends approximately 24-48 hours after ovulation.  Because you cannot know for certain when you actually ovulate, if you are trying to get pregnant, it is best to be intimate every second day, indicated by the red circles, during this fertile period.
 
 
  • If you are keeping track of your cycles, need to have a test done on a certain day, or take medication (progesterone) in the luteal phase of your cycle, you’ll find the Cycle Days calendar helpful.  This calendar user your date of last period to count forwards.   It displays the luteal phase (colored yellow) and likely ovulation date (circled green) of your previous cycle.
 
 
 
 
In summary, BioClock  is simply your best choice for an "all-in-one" fertility and pregnancy calculator.  It’s highly accurate, yet simple and easy to use.  You will quickly discover that its unique features, ease of use, and accuracy are not found in other pregnancy calculators.   Designed by an ObGyn, BioClock includes what pregnant patients, and patients trying to get pregnant, asked for and used frequently.  It has been tested and modified in response to feedback from hundreds of patients.   It’s taken a long time to get this into the App store because we wanted it to be perfect.   The low price covers development costs and ensures long-term quality and sustainability. Updates, and other Women’s Health Apps are already under development.

We appreciate any feedback or suggestions for future updates.
Please email us at
 
This application is provided for informational purposes for patients and qualified health professionals.  It is not intended as a substitute for consulting qualified health care professionals.  You agree to use this application only as an educational aid.  Health care professionals should confirm any information through independent sources before utilizing any information to manage patients or make clinical decisions.  Nevertheless, we strive to provide you with the most accurate and clinically useful pregnancy and gynecologic calculations and calendars available.
 
 
Please feel free to use our web version of BioClock Fertility & Pregnancy Calculator.