Yahya Malik, Zahid Ahmed Khan, Nasir Aziz.
A critical analysis of Biparietal Diameter in Pakistani females with normal single intra-uterine Pregnancies.
Pak Postgrad Med J Jan ;12(4):155-9.

Fetal Biparietal Diameter (BPD) was measured in 625 Pakistani females having normal single intrauterine pregnancies using real time ultrasound. The range of BPD values for each week of pregnancy from 12 weeks onwards was determined. Standard deviations were determined and regression analysis was also done. Comparison was made with numerous previous studies.

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