HomeAppsMedicalOB Wheel: Pregnancy calculatorApps like OB Wheel: Pregnancy calculator Here are some great alternatives to OB Wheel: Pregnancy calculator by Quartertone : Obstetric Calculator ★4.6 Pregnancy Wheel ★4.2 Pregnancy Calculator Pro ★4.6 OB Wheels ★4.2 OBS Calc -Pregnancy Calculator ★4.4 Pregnancy Wheel ★3.4 Pregnancy Calculator ★3.4 Gestational Age (baby's age) ★5.0 Pregnancy Calculator: Due Date ★4.7 FAST Pregnancy Calculator ★4.9 Pregnancy Weeks Calculator ★4.7 Pregnancy Due Date Calculator ★4.5 Period and Ovulation Tracker ★3.8 Pregnancy Tracker Week By Week ★4.7 NeoCarePal ★4.8 Nine Sweet Months ★4.5