How to Calculate the Weight of a Fetus

Fetal weight estimates are actually one of the few things that become less accurate as your baby grows. Fetal weights are based on length and circumference, which do not necessarily indicate actual weight. It's not unlike adult weights. You can probably assume that someone who is six feet tall weighs more than 100 pounds but you won't know if he weighs 175 pounds or 205 pounds until you get him on the scale.

 

Things You'll Need

• Ultrasound machine

 

4 Steps To Calculate The Weight Of A Fetus

1. Use A Chart That İncorporates Averages Based On Fetal Age

Plot the age of your fetus with the weights on the chart to get a general idea.

 

2. Discuss İt With Your Ultrasound Technician

Your next ultrasound appointment is a great time to ask an experienced ultrasound technician about your fetus's weight. She will have the option to foresee dependent on perspectives and estimations she has taken.

 

3. Grab A Calculator And The Ultrasound Measurements, And Use The Formula Below

Estimated fetal weight = 1,687.47 + (54.1 x femur length in millimeters) + (76.68 x Soft tissue thickness of thigh in millimeters)

 

4. Ask A Midwife

They have a better accuracy rate than doctors when assessing fetal weight.

 

 

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