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A cross-sectional study of in utero growth of the above average sized fetus
In a cross-sectional study of 210 pregnancies resulting in above-average-sized term infants, biparietal diameter, femur length, and abdominal circumference were found to differ among three birth weight percentile groups (greater than 90, 76 to 90, and 51 to 75). Growth rates, however, were similar. Estimated fetal weights, derived from four formulas, showed the same pattern. Differences between large for gestational age infants and other above average sized infants exist; changes in growth are likely to have occurred before the thirty-third week of gestation.
In a cross-sectional study of 210 pregnancies resulting in above-average-sized term infants, biparietal diameter, femur length, and abdominal circumference were found to differ among three birth weight percentile groups (greater than 90, 76 to 90, and 51 to 75). Growth rates, however, were similar. Estimated fetal weights, derived from four formulas, showed the same pattern. Differences between large for gestational age infants and other above average sized infants exist; changes in growth are likely to have occurred before the thirty-third week of gestation.