Diastolic Deceleration Area in Late-onset FGR

Inclusion Criteria: * absence of fetal abnormalities and/or genetic conditions; * single pregnancy; * fetal growth restriction (FGR) \< 10%, according to the INTERGROWTH 21st nomograms, appearing after 32nd week of gestation Exclusion Criteria: * documented fetal abnormalities and/or genetic conditions in the course of the pregnancy; * multiple pregnancy; * absence of fetal growth restriction (FGR) \< 10%, according to the INTERGROWTH 21st nomograms after 32nd week of gestation