Umbilical Artery Systolic/Diastolic Ratio and Amniotic Fluid Index in Prediction of Fetal Outcome in Term Pregnancies
Ayed, M., Mohamed, S., Ahmed, S., abdel hafez, M., Sabry, M. (2025). Umbilical Artery Systolic/Diastolic Ratio and Amniotic Fluid Index in Prediction of Fetal Outcome in Term Pregnancies. EKB Journal Management System, 29(2), 57-64. doi: 10.21608/smj.2025.376031.1556
mamdouh elsemary Ayed; Sabrin Alnokrashy Mohamed; Salah Roshdy Ahmed; mohamed yahya abdel hafez; Mohamed Sabry. "Umbilical Artery Systolic/Diastolic Ratio and Amniotic Fluid Index in Prediction of Fetal Outcome in Term Pregnancies". EKB Journal Management System, 29, 2, 2025, 57-64. doi: 10.21608/smj.2025.376031.1556
Ayed, M., Mohamed, S., Ahmed, S., abdel hafez, M., Sabry, M. (2025). 'Umbilical Artery Systolic/Diastolic Ratio and Amniotic Fluid Index in Prediction of Fetal Outcome in Term Pregnancies', EKB Journal Management System, 29(2), pp. 57-64. doi: 10.21608/smj.2025.376031.1556
Ayed, M., Mohamed, S., Ahmed, S., abdel hafez, M., Sabry, M. Umbilical Artery Systolic/Diastolic Ratio and Amniotic Fluid Index in Prediction of Fetal Outcome in Term Pregnancies. EKB Journal Management System, 2025; 29(2): 57-64. doi: 10.21608/smj.2025.376031.1556

Umbilical Artery Systolic/Diastolic Ratio and Amniotic Fluid Index in Prediction of Fetal Outcome in Term Pregnancies

Sohag Medical Journal
Volume 29, Issue 2, 2025, Page 57-64  XML PDF (1.18 MB)
Document Type: Original Article
DOI: 10.21608/smj.2025.376031.1556
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Authors
mamdouh elsemary Ayed email orcid 1; Sabrin Alnokrashy Mohamed2; Salah Roshdy Ahmedorcid 3; mohamed yahya abdel hafez4; Mohamed Sabry5
1Ob/Gyn. department,Faculty of medicine, Sohag university,Sohag,Egypt.
2Obstetrics and Gynaecology department,faculty of medicine, Sohag University, Egypt
3Obesterics and Gynacology. Faculty of Medicine Sohag University
4obesterics and gynacology faculty of medicine sohag university Egypt
5Obstetriacs and Gynaecology department, faculty of medicine. Sohag University, Egypt
Abstract
Background: Amniotic fluid index (AFI) and umbilical artery (UA) Doppler velocimetry both form an essential part of the antenatal surveillance in the assessment of fetal well-being. The aim of this work was to assess sensitivity, specificity, positive predictive values (PPV) and negative predictive values (NPV) of UA systolic/diastolic (S/D) ratio and AFI in prediction of fetal outcomes in term pregnancies.

Methods: This prospective observational cohort study was carried out on 113 female patients aged from 18 to 40 years old, with term pregnancy (37w6d -40w) and singleton pregnancy. All patients were subjected to UA S/D ratio and AFI measurement.

Results: APGAR score was significantly higher at 10 min than at 1 min and 5 min (P <0.001). S/D ratio and AFI can’t significantly predict appearance, pulse, grimace, activity, and respiration (APGAR) score at 10 min and respiratory distress syndrome (RDS) grade 1 respectively (P= 0.374, 0.497, 0.062, <0.001) at cut-off <3,>8,<3,<8 with 100%, 56.67%, 57.14%, 85.71% sensitivity, 9.43%,45.28%, 49.06%, 56.60% specificity, 55.6%, 54%, 6.9%, 11.5% PPV and 100%, 48%,94.5% and 98.4% NPV. Systolic\diastolic ratio and AFI can significantly predict meconium- stained aspiration respectively (P = 0.001, 0.050) at cut-off <3, <8 with 75.00%, 75.00% sensitivity, 72.48%, 55.96% specificity, 5.9% PPV and 98.7% and 98.4% NPV.

Conclusions: AFI and umbilical artery S/D ratio can significantly predict APGAR score at 5 minutes. AFI can predict meconium-stained aspiration and RDS grade 1.
Keywords
Umbilical Artery; Systolic/Diastolic Ratio; Amniotic Fluid Index; APGAR Score
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