The principle of the estimated fetal weight calculator According to statistics, the newborn\’s weight is related to factors such as the mother\’s gestational age, gestational age, and BMI. The estimated fetal weight calculator uses these factors to predict your baby\’s birth weight. Specifically, the calculator needs to input parameters such as the mother\’s height, gestational age, gestational age, pregnancy weight, and pre-pregnancy BMI, and use an algorithm to comprehensively calculate and obtain the prediction results. Estimated fetal weight calculator is widely used in pregnancy examinations, helping to accurately predict birth weight, guide clinical operations, and reduce