OB Wheel: Pregnancy calculator 81.0.3

Easy to use multi-function pregnancy calculator developed by a board-certified OBGYN.

This application is also accessible as a web app at https://obwheel.cc.

Calculate various pregnancy dates:

• Last menstrual period (LMP)
• Estimated date of conception
• Estimated gestational age (EGA)
• EGA obtained by ultrasound
• Dating by IVF Embryo transfer
• Calculate gestation by Crown-Rump length
• Estimated due date (EDD)

Extra features include:

• "Time Machine" mode can calculate "How many weeks will the patient be on XXXX date?" and "When will the patient be XX weeks gestation?"
• Adjustment of cycle length and luteal phase
• Ability to store data of multiple patients for easy access
• Inclusion of additional notes in patient data
• Data export/import functionality
• Comprehensive help pages included

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***IMPORTANT NOTE***

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This application calculates precisely 280 days (40 weeks) from LMP to EDC, and correspondingly for any date in between. Please be aware that the paper/plastic wheels used by obstetricians or ultrasound technicians are inherently imprecise. Different pregnancy wheels may exhibit variances of up to 3 or 4 days. Thus, kindly consider this when comparing the values derived here to those provided in clinics/hospitals. (see here: https://bit.ly/pregwheel)