Estimated Fetal Weight Hadlock Calculator

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Introduction: The Estimated Fetal Weight Hadlock Calculator utilizes the Hadlock formula to estimate the weight of a fetus during pregnancy. This article introduces a simple calculator that provides an approximate fetal weight based on abdominal circumference, head circumference, and femur length.

Formula: The calculator employs the Hadlock formula, a widely used method in obstetrics, to estimate fetal weight. The formula takes into account the abdominal circumference, head circumference, and femur length of the fetus.

How to Use:

  1. Input the abdominal circumference of the fetus in centimeters.
  2. Input the head circumference of the fetus in centimeters.
  3. Input the femur length of the fetus in centimeters.
  4. Click the “Calculate” button to obtain the estimated fetal weight using the Hadlock formula.
  5. The result will be displayed on your screen.

Example: For example, if the abdominal circumference is 30 cm, head circumference is 32 cm, and femur length is 6 cm, using the calculator will provide an estimated fetal weight based on the Hadlock formula.

FAQs:

  1. Q: How accurate is the estimated fetal weight using the Hadlock formula?
    • A: The Hadlock formula provides a close estimation, but actual birth weight may vary.
  2. Q: Can this calculator be used at any stage of pregnancy?
    • A: The calculator is most accurate in the third trimester but can be used earlier for rough estimates.
  3. Q: What factors can affect the accuracy of the estimated fetal weight using the Hadlock formula?
    • A: Factors such as fetal position, maternal obesity, and amniotic fluid levels can influence accuracy.
  4. Q: Is the calculator suitable for multiple pregnancies (twins, triplets, etc.)?
    • A: The calculator is designed for a single fetus. Adjustments may be needed for multiple pregnancies.
  5. Q: How often should fetal weight be estimated during pregnancy?
    • A: Healthcare professionals typically perform fetal weight estimations during routine ultrasound examinations.

Conclusion: The Estimated Fetal Weight Hadlock Calculator provides a convenient tool for estimating fetal weight during pregnancy. It’s important to note that actual birth weight may vary, and this calculator is intended for informational purposes. Consultation with healthcare professionals is recommended for more accurate assessments during pregnancy.

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