ObCalc vs OB Emergencies

ObCalc puts the calculators, scoring tools, and reference charts that obstetrics, maternal-fetal medicine, and labor & delivery teams reach for every shift into one fast, offline-first app. Every formula is sourced to published guidelines (ACOG, SMFM, CMQCC, NICHD) and built as a clinical tool first — clean inputs, clear interpretation, no clutter. OBSTETRICS • Bishop Score • Estimated Due Date — LMP, ultrasound, conception, ovulation, or IVF transfer dating • Pregnancy Re-dating (ACOG Committee Opinion 700) • Pregnancy Weight Gain Tracker • Urine Protein:Creatinine Ratio (UPCR) • VBAC Success Calculator — Grobman MFMU model • VBAC at Delivery Admission Success Calculator — Grobman MFMU model PERINATOLOGY / MFM • CVR (CPAM Volume Ratio) • Extremely Preterm Birth Outcome (NICHD) • Fetal Biometry Suite — Hadlock EFW, long-bone ratios, multi-panel z-scores and percentiles • Intrauterine Transfusion (IUT) Volume Calculator • MCA Doppler / PSV for Fetal Anemia • Neonatal Morbidity Risk • Ponderal Index • GDM Insulin Dosing • Life-Limiting Skeletal Dysplasia Screen • Twin Discordance • Umbilical Artery Doppler GENERAL • Anion Gap • Apgar Score • BMI • Iron Deficit • Peak Flow • Gestational Age (date difference) • Maternal Sepsis Assistant (qSOFA / Sepsis-3) • CMQCC Sepsis Screen THROMBOPHILIA • VTE Anticoagulation Dosing (ACOG Practice Bulletin 196) GENETICS • cfDNA PPV/NPV Calculator • Nuchal Translucency Percentile WHY CLINICIANS CHOOSE OBCALC • Offline-first — no connection needed on L&D • Fast, distraction-free interface — no ads, no tracking • One-time purchase. No subscription, no account required • Regularly updated with new tools and guideline changes • Built-in unit conversion and inline number-pad arithmetic on every input ObCalc is a clinical reference tool intended for use by licensed healthcare professionals. It does not replace clinical judgment, and results should be confirmed against current guidelines and your institution's protocols.

OB Emergencies is a free checklist app for healthcare providers in Labor and Deliver based on the DHA Obstetric Emergencies Bundle. The app contains all checklist items, dropdown boxes for labs, important items to consider, and action items. Additionally, users can add institutional phone numbers to access from within the app to include Blood Bank, Massive Transfusion Protocol, calling Code Purples or Code Blues, and more. While the information contained is based on the DHA OB Emergencies Bundle, the information is based on clinical recommendations, and the app can be used by any healthcare provider in an obstetric setting. Features: ~ Checklists for common and rare obstetric emergencies ~ Phone book to allow users to save institution-specific helpful phone numbers that allows users to call important numbers from within the app ~ How-To guide for using all the features of the app ~ References for each checklist Disclaimer: OB Emergencies is meant to be used for informational purposes only and is intended to be used by licensed healthcare providers. The information contained within does not replace clinical judgement. If you are a patient, the information contained within is not meant to replace medical advice from a licensed physician.