Doppler flow measurements are an essential part of growth surveillance, where indicated 17
- Uterine artery Doppler (UtAD) in high risk pregnancy, 20-23 weeks
- Umbilical artery Doppler (UAD) if suspected SGA or FGR in 3rd Trimester
- UAD, UtAD, MCA/CPR to assess severity of SGA at term and help determine time of delivery
See GAP Guidance17 , Section 3.6.
17. GAP Guidance. Perinatal Institute 2020. https://www.perinatal.org.uk/GAPguidance.pdf