Ultrasound and Doppler measurements
| At recruitment then twice per week (biometry every 2 weeks) until delivery | ||
|---|---|---|
| Maternal brachial artery | Maternal uterine artery | Fetal morphology |
| Biometry | Amniotic fluid indices | Placental location/anomalities |
| Fetal characteristics: heart rate, tone, breathing, movements | ||
| Doppler velocimetry: umbilical artery, middle cerebral artery and ductus venosus | ||