Line drawing of mother and baby Maternal Fetal Medicine Hub

For Clinicians & Students

Clinical Resources

Growth charts, calculators, and reference materials for practising clinicians, trainees, and students in maternal-fetal medicine.

Calculators & Algorithms

Clinical Tools

Built-in tools for gestational dating and weight assessment, plus curated links to validated external calculators for risk stratification and biometry.

External Calculators

Preeclampsia Risk (FMF)

First-trimester combined screening for preeclampsia risk using MAP, UtA PI, PLGF, and PAPP-A.

  • First trimester
  • Screening
FMF Calculator

Preterm Labour Risk

Spontaneous preterm birth risk stratification based on cervical length, obstetric history, and maternal characteristics.

  • Preterm
  • Cervix
FMF Calculator

Growth Charts

Fetal & Newborn Growth References

Interactive centile charts based on internationally validated reference standards.

INTERGROWTH-21st Fetal Growth

Soon

Estimated fetal weight centile charts from the INTERGROWTH-21st Project. Recommended international standard for fetal growth surveillance.

EFW International

Stirnemann et al. Ultrasound Obstet Gynecol, 2017

INTERGROWTH-21st Newborn Size

Soon

Postnatal size-for-gestational-age charts for weight, length, and head circumference at birth.

Neonatal International

Villar et al. Lancet, 2014

WHO Fetal Growth Charts

Soon

World Health Organization fetal biometric reference ranges for BPD, HC, AC, and FL across gestational ages.

Biometry WHO

WHO, 2017

Fetal Organ Biometry

Soon

Reference ranges for fetal organ measurements including cerebellum, cisterna magna, lateral ventricles, and renal pelvis.

Biometry Anatomy

Chitty & Altman, 2003

Guidelines & References

External Resources

Curated links to major clinical guidelines and evidence-based references in maternal-fetal medicine.

ISUOG

ISUOG Practice Guidelines

Ultrasound in Obstetrics & Gynecology practice guidelines covering routine and targeted fetal anomaly scanning.

RCOG

RCOG Green-top Guidelines

Royal College of Obstetricians and Gynaecologists evidence-based clinical guidelines in obstetrics and gynaecology.

SMFM

SMFM Consult Series

Society for Maternal-Fetal Medicine consult series and clinical guidelines on complex obstetric conditions.

University of Oxford

INTERGROWTH-21st Resources

Downloadable charts, apps, and centile calculators from the INTERGROWTH-21st Project for fetal and newborn growth.

AIUM

AIUM Practice Parameters

American Institute of Ultrasound in Medicine guidelines and practice parameters for obstetric and gynecologic ultrasound.