MVU Calc - Montevideo Units

NOTICE: This app is a calculator tool for educational and reference purposes only. It is not a medical device and should not be used for clinical decisions. Always seek a doctor's advice before making any medical decisions. Free. No ads. No in-app purchases. A simple Montevideo Units (MVU) calculator. Enter resting tone and contraction peaks, get the MVU result instantly with a visual gauge. KEY FEATURES: - MVU Gauge — Semicircular gauge with animated needle and color-coded zones - Quick Templates — One-tap presets for common input scenarios - Calculation History — All calculations saved automatically, grouped by date, with export support - Reference Ranges — Color-coded results based on published literature - Dark Mode — Full Light and Dark mode support - iOS Widget — Glanceable MVU results on your Home Screen - 7 Languages — English, Chinese, Spanish, French, German, Japanese, Korean WHAT ARE MONTEVIDEO UNITS? MVU (Montevideo Units) is a measurement of uterine contraction strength, introduced by Caldeyro-Barcia et al. at the University of Montevideo in 1957. The formula sums the amplitude of each contraction (peak minus resting tone) over a 10-minute window. Educational reference ranges: Under 95 MVU: Lower range 95 to 200 MVU: Typical range 200 to 400 MVU: Higher range Over 400 MVU: Very high range Sources: - Caldeyro-Barcia R, et al. "A quantitative study of the action of synthetic oxytocin on the pregnant human uterus." J Pharmacol Exp Ther. 1957;121(1):18-31. - ACOG Practice Bulletin No. 49: Dystocia and Augmentation of Labor. Obstet Gynecol. 2003;102(6):1445-1454. PRIVACY AND DATA All data stored locally on your device No account required, no cloud upload, no data collection