Severe fetal growth restriction (FGR) complicates approximately 0.4% of pregnancies and severely increases the risk of perinatal morbidity and mortality.Sildenafil citrate may offer a potential therapeutic strategy to improve uteroplacental blood flow in IUGR pregnancies.
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Umbilical artery Pulsatility index
Timeframe: between 24 gestational weeks until 36 weeks
Middle cerebral artery Pulsatility index
Timeframe: between 24 gestational weeks until 36 weeks
fetal abdominal circumference growth velocity
Timeframe: between 24 gestational weeks until 36 weeks