Educational reference and logic-based tools adapted from the SOGC 2020 Fetal Health Surveillance guidelines.
This site was developed by a Canadian nurse to provide free, accessible educational tools for Fetal Health Surveillance. This is a non-commercial project: no data is collected, no user tracking is employed, and no monetary gain is derived from its use.
A systematic tool for CEFM classification (Normal, Atypical, Abnormal) based on the 2020 SOGC Fetal Health Surveillance Guidelines.
Launch CEFM Classifier →A step-by-step tool to identify the type of deceleration.
Launch Deceleration Identifier →A systematic tool for classifying Intermittent Auscultation (IA) based on the 2020 SOGC Fetal Health Surveillance Guidelines.
Launch IA Classifier →Quantify uterine activity when using an Internal Uterine Pressure Catheter (IUPC) using the Montevideo Units (MVU) formula.
Launch MVU Calculator →Calculate an estimated date of birth from LMP, determine current gestational age from an EDB, or estimate an EDB from a known gestational age.
Launch EDB / GA Calculator →Version 1.5 | Last Updated May 2026 | Adapted from the 2020 SOGC Fetal Health Surveillance Guidelines