 The study population includes pregnant women attending Antenatal care clinic of Ain Shams University Maternity Hospital who first time diagnosed of IUGR at our antenatal care outpatient clinic either referred for this cause After confirm diagnosis of IUGR and distributing patient into two groups Patient in first group will receive oral L-arginine 3000mgday till delivery and Acetylesalicylic acid 75mg once daily. 