OB Wheel & EDD Calculator

Fast & accurate OB wheel for OBGYNs, midwives & students. Track EDD, LMP & gestational age in seconds. The ultimate medical calculator for your clinical rounds.

The Ultimate Clinical Toolkit for Obstetricians and Midwives.

Designed specifically for healthcare professionals, Obstetric Tools is the most precise, fast, and comprehensive pregnancy wheel and clinical calculator available. Whether you are in a busy outpatient clinic or an offline delivery room, get evidence-based results in seconds to optimize your patient care.

Built by and for medical professionals, our app replaces traditional cardboard wheels and scattered reference books with a single, highly optimized digital suite.

CORE FEATURES

Advanced Gestogram (Pregnancy Wheel)

Calculate Estimated Due Date (EDD), Gestational Age (GA), and Conception Date instantly.

Flexible Dating: Calculate based on Last Menstrual Period (LMP) or reverse-calculate by entering the current Gestational Age from an ultrasound.

Highly precise chronologies to track pregnancy milestones effortlessly.

Clinical Calculators

Estimated Fetal Weight (EFW): Highly accurate calculations based on the global Hadlock IV formula (BPD, HC, AC, FL).

Maternal BMI & Weight Gain: Calculate pre-pregnancy BMI and track recommended weight gain per trimester.

Fischer Score: Objective evaluation of cardiotocographic (CTG) records.

MgSO4 Dosing: Quick and safe calculation for magnesium sulfate infusion in preeclampsia management.

Essential Medical Tests & Scales

Bishop Score: Assess cervical ripeness and the probability of successful labor induction.

Apgar Score: Standardized newborn assessment at 1, 5, and 10 minutes.

Silverman-Andersen Score: Evaluate neonatal respiratory distress.

Kramer's Rule: Visual assessment of neonatal jaundice.

Edinburgh Scale: Postnatal depression screening tool.

WHY CHOOSE OBSTETRIC TOOLS?

100% Offline Functionality: We know hospitals have dead zones. Our app works flawlessly in delivery rooms, bunkers, and areas with zero network coverage.

Evidence-Based: Every calculator and scale includes a dedicated "Clinical Info" section detailing the medical formulas, parameters, and scientific backing used.

Zero-Data Privacy Policy: We respect patient confidentiality. The app acts as a blind calculator. No patient health data is ever collected, saved, or transmitted.

About Obstetric Tools Premium While the core app is free to use, Obstetric Tools offers auto-renewing subscriptions to unlock all advanced premium features (like EFW, Bishop, Apgar) and provide a completely ad-free clinical experience.

Payment will be charged to your iTunes Account at confirmation of purchase.

Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.

Your account will be charged for renewal within 24-hours prior to the end of the current period.

You can manage your subscriptions and turn off auto-renewal by going to your Account Settings after purchase.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://milkynest.com/privacy