ANNOUNCEMENTS:

The OB Wheel app is newly available as a Progressive Web App.
https://obwheel.quartertone.net

- I am focusing my attention on my newly published Web app, so the Android app will not be further updated at this time.
- The app will remain available on the Play store for those who prefer the native app.
- The new WEB APP version is available online to all devices, and it also works offline.
- Check it out at https://obwheel.quartertone.net !!

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Multi-function pregnancy calculator.

Calculate dates of pregnancy:
-Last menstrual period (LMP)
-Estimated date of conception
-Weeks gestational age (WGA)
-WGA obtained by ultrasound
-Dating by IVF Embryo transfer
-Calculate gestation by Crown-Rump length
-Estimated due date (EDC)
-"Time Machine" mode can calculate "How many weeks will patient be on xxxx date?" and "When will patient be xx weeks gestation?"

Features still present, but no longer supported:
-Store multiple patients for easy retrieval
-Adjust length of cycle and luteal phase
-Full Help pages available
-Include extra notes in patient data

Please note: This app may be used for personal tracking purposes, but it is primarily meant to be a clinical tool for professional healthcare workers.

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***IMPORTANT NOTE***
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This app calculates exactly 280 days (40 weeks) from LMP to EDC, and accordingly for any date in between. Please note that the paper/plastic wheels used by obstetricians or ultrasound technicians are inherently inaccurate. Different pregnancy wheels may vary by as much as 3 or 4 days. Please keep this in mind when comparing the values obtained here to those given in clinics/hospitals.


Key words: pregnancy calculator, obstetrics, obgyn, obwheel, ob wheel