suboccipitobregmatic circumference
1.Results told that BPD by ultrasonic measurement was not significant1y correlative with suboccipitobregmatic diameter but with correlation to suboccipitobregmatic circumference. Mu1tiple correlation coefficients and F values are R=0. 4856,F =102. 1395 (P<0.01). The obtained regression equation is Y= 5. 437+0. 1163X(1).
