• Ovoke Egagifo, Lawrence O Omo-Aghoja, and Ayotunde T Adeyinka.
• Calderdale and Huddersfield NHS Foundation Trust, Obstetrics and Gynecology Huddersfield, West Yorkshire, UK.
• Afr Health Sci. 2021 Sep 1; 21 (3): 1310-1320.

BackgroundOligohydramnios is a predictor of fetal compromise and a useful tool in pregnancy management. It has been assessed using various techniques, including two-diameter pocket (2-DP) and amniotic fluid index (AFI).ObjectivesTo determine which of these two techniques best diagnose oligohydramnios and predicts adverse perinatal outcomes.MethodsThis was a comparative cross-sectional study conducted at Delta State University Teaching Hospital, Oghara in southern region of Nigeria over eight months period. One hundred high-risk pregnant women were recruited and ultrasound determination of amniotic fluid was performed using AFI and 2-DP. The women were followed up till delivery to determine adverse perinatal outcomes.ResultsThe indices of validity of AFI and the 2-DP were calculated and compared. The 2-DP had a higher sensitivity than AFI for adverse outcomes in high-risk pregnancies complicated by oligohydramnios.ConclusionThe 2-DP technique should preferably be used for the assessment of oligohydramnios in high-risk pregnancies.© 2021 Egagifo O et al.

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