Correlation of gestational age with fetal biparietal diameter
Dr Syed SS, Dr Syed SA
Estimation Gestational age (GA) is important part of obstetric practice. Ultrasonography plays important role estimation of gestational age. Fetal biparietal diameter (BPD) is one of the parameters used for estimation of GA along with femur length, head circumference and abdominal circumference. However, the BPD was more than twice as sensitive as the femur length to variation in fetal growth. The study was performed on 300 pregnant women with an aim to correlate BPD with GA and to find out if fetal BPD can be used as a parameter to calculate the GA in pregnancy. Pregnant women with single live fetus and having no other complication either in mother or fetus were selected for the study. Fetal BPD was measured in millimeter by Philips HD 6 machine. The results were analyzed for accuracy in estimation of GA by BPD and were compared with findings of other workers. The correlation between GA and BPD was highly significant and also comparable with other studies.