Perfect OB Wheel!

Simple, fast, yet more thorough than any other pregnancy wheel available for the iPhone, Perfect OB Wheel is better than just a replacement for your trusty paper wheel. Heres why Perfect OB Wheel is your best choice of gestational calculator: 1) Input flexibility: Start with one of: Last menstrual period (LMP) Conception date Estimated date of confinement/delivery (EDC) Ultrasound dating: Number of weeks and days gestation as of a given date (X Weeks). Perfect OB Wheel is written by the developer of Med Mnemonics, the ultimate medical memory aid, MediMath, the most elegant medical calculator for the iPhone, and ICD9 Consult, which puts the complete ICD9-CM in your pocket for instant searching and browsing.