Question ??

Question

Are ultrasound sound like anatomy scan accurate on their weight prediction?? Or are they off usually its just an estimation of the weight of the baby

Answer

They use an algorithm that converts measurements to weight approximations. When I asked my ultra sound tech how it works she told me it relies heavily on skull circumstance, abdomen circumference and femur length to estimate a weight. 
From what I understand the predictive power of these measurements is so low that some experts don’t think they should be relied on.
That’s why I already told my doctor I would not be willing to be induced or have a c-section based on a “big baby” diagnosis. Those estimates trigger a lot of unnecessary medical interventions

Answer

Definitely just an estimate

Answer

I was always told they can be a pound or two off but they can be just a few ounces off either way too. With my first they said she was 6 pounds at like 34 weeks and they told me I’d have almost a 9 pound baby and she was 7 pounds 5 ounces. I even had one done while in labor to check head position and they did a quick measurement and say 8 pounds 9 ounces.

Answer

They can be either spot on or horribly off. I’ve heard of women that were told they would have a 9+ lb baby and end up birthing a 6 lb baby.

Answer

It’s just an estimate, it can definitely be off

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