Everyone

Quartertone

Jelly Bean

The OB Wheel app is now FREE!
Web app version is also available, also FREE!
https://obwheel.quartertone.net

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Multi-function pregnancy calculator. Created by a board-certified ObGyn.

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
-Include extra notes in patient data

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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.
(see here: https://bit.ly/pregwheel)

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OBWheel is now completely FREE!

If you would like to continue supporting me directly, you can do so at https://buymeabeer.com/quartertone

You can also donate directly to organizations that need your help right now:

lebanoncrisis.carrd.co - Lebanon Crisis support organizations
supportlrc.app/donate - Lebanese Red Cross
wck.org - World Central Kitchen
ri.org - Relief International
msf.org - Doctors Without Borders
reproductiverights.org - Center for Reproductive Rights
thetrevorproject.org - Trevor Project
blacklivesmatter.com - Black Lives Matter
plannedparenthood.org - Planned Parenthood
eji.org - Equal Justice Initiative
hrc.org - Human Rights Campaign

The people of the world thank you for your support.
We are one.

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


OB Wheel (Pregnancy calculator)

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