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Head circumference, biparietal diameter, femur length, and abdominal circumference according to gestational age (weeks) in relation to the 3rd, 10th, 50th, 90th, and 97th centiles from the INTERGROWTH‐21st standards. Biparietal diameter in our study was measured differently from the INTERGROWTH‐21st project; hence, the value could not be formally compared with the provided international standards. IG = INTERGROWTH
