OBJECTIVE: To determine the usefulness of the corrected biparietal diameter to calculate fetal weight by ultrasound. DESING: Prospective study. SETTING: Cayetano Heredia Hospital, Piura, Peru. PATIENTS: Term pregnant women. Interventions: From January through May 2006, biparietal diameter (BPD), occipitofrontal  diameter (OFD), corrected biparietal diameter (cBPD), femur length (FL), and abdominal perimeter (AP) were determined. Fetal weight was calculated by Hadlock’s parameters, by biparietal diameter in the first group and corrected biparietal diameter in the second group and both were correlated with the newborn weight (NBW). Interval between ultrasound examination and delivery was less than 72 hours. MAIN OUTCOME MEASURES: Correlation of both biparietal diameter and corrected biparietal diameter with newborn weight. RESULTS: Average mother’s age was 26,8 ± 6,4 years. Average n...

OBJECTIVE: To determine the usefulness of the corrected biparietal diameter to calculate fetal weight by ultrasound. DESING: Prospective study. SETTING: Cayetano Heredia Hospital, Piura, Peru. PATIENTS: Term pregnant women. Interventions: From January through May 2006, biparietal diameter (BPD), occipitofrontal  diameter (OFD), corrected biparietal diameter (cBPD), femur length (FL), and abdominal perimeter (AP) were determined. Fetal weight was calculated by Hadlock’s parameters, by biparietal diameter in the first group and corrected biparietal diameter in the second group and both were correlated with the newborn weight (NBW). Interval between ultrasound examination and delivery was less than 72 hours. MAIN OUTCOME MEASURES: Correlation of both biparietal diameter and corrected biparietal diameter with newborn weight. RESULTS: Average mother’s age was 26,8 ± 6,4 years. Average n...