Ruqyyah Salim, Sobia Nawaz, Farzana Kazmi.
Diagnostic Accuracy of Transcerebellar Diameter for Gestational Age.
J Rawal Med Coll Jan ;21(1):60-3.

Background: To determine the correlation of mean transcerebellar diameter and mean gestational age in third trimester of pregnancy Methods: In this cross sectional study all pregnant women with previous regular menstrual period aged 25-35 years, gestational age between 26 to 38 weeks assessed on LMP and having single fetus assessed on ultrasound were enrolled. Ultrasound measurements of TCD (in mm) were made. Results: Mean age of the patients was 29.53 ±3.60 years. Mean gestational age of the patients was 32.56 ±3.51 weeks. There were 61% nulliparous and 39% multiparous women. Spearman?s Correlation test was applied to see the relationship of TCD with gestational age. Strong positive correlation was observed (rho 0.968, p-value <0.001). Conclusion: Strong positive correlation of mean transcerebellar diameter and mean gestational age is observed in third trimester of pregnancy.

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