Abstract:
Prediction of gestational age (GA) based on sonographic fetal parameters is perhaps the cornerstone in modern obstetrics and continues to remain an important component in the management of pregnancies with fetuses who have growth disturbances. The aim of the study was to estimate fetal age by measuring cerebellar diameter (CD) in second and third trimester using ultrasound. The data of this study collected from 50 pregnant ladies selected conveniently in Omdurman delivery hospital from July 2015 to December 2015. The result of this study showed a significant correlation between the GA-LMP and GA-BPD, GA-FL and GA-CD which ware 0.937, 0.925, and 0.858 respectively. The result of this study showed that the mean value of the CD was 3.20±0.88 cm, where BPD was 6.85±1.60 cm also FL was 5.26±1.56 cm. The average GA using CD was a 26.47±5.46 week versus 26.37±6.33 weeks using LMP. There is no significant difference between the LMP calculation of GA and GA estimated using CD. The result also showed that GA increases by 6.2 weeks/cm of CD. it conclude that CD can be used to estimate the GA with an accuracy more than 74% i.e. the CD can explain more than 74% of the changes occur in the GA.
