Different ultrasound measuring?

Question

When measuring the baby, you know how the measure the femur bone and the abdominal cirfumference? Has anyone heard of those two being different on the same u/s? Both measurements gave me a different gestational age with a 2 week difference but on the same u/s!! Am I giving too much credit to technology? :-)

Answer 1

i dont' have an answer but ur question helped me, my first untrasound is in a week and i was wondering how they pick the gestational age but i was too shy to ask the ultrasound tech.

Answer 2

when I was at 4 1/2 weeks my Drdid an ultrasound in his office. He said that the gestational size was too small and that either my dates were wrong or this pregnancy would not take.... I KNEW my dates were right because I was charting ....he scared me so bad. I went home and cried for 2 days and expected to lose this baby.... I went to an ultrasound at the hospital 2 days later and everything was perfect.... I also saw a genetic counselor due to my age (38) and he confirmed everything was fine... I am now at 20 weeks and going strong. Mistakes can be made. 2 weeks is not that off. Women have different cycles every month. It's NEVER the exact same....unless you were charting I wouldn't worry......

Answer 3

With both of mine, the ultrasound showed a different size from what the doctor thought. My experience, don't worry about what the tech says - the doctor knows what he's looking at. If I had listened to what the tech said, I would have been off by 2 months with a due date lol.

Answer 4

Even modern medicine is not infallible. It is unusual to get 2 different measurements. But not unheard of. I wouldn't worry about it. As long as you and your baby are both healthy, that is all that really matters. And if it really bothers you ask for a second ultrasound. Good luck. And congrats on your bundle of joy.

Answer 5

Thats crazy, i haven't had that happen at the same ultrasound but i had it happen at two different ones. i went to one and they said my daughter was almost 9 lbs, then at the next one they said shes almost 6 lbs. different techs measure different and some move more quickly than others too. its not necessarily the technology, its the ultrasound tech themselves.

Answer 6

I found that different tech measure different...I had 2 u/s at 2 different hospitals...I had a detailed u/s, and was exactly where I was supposed to be.

Answer 7

yes everything can be growing at a different rate!! i will be 40 wks friday and at my last appointment i was measuring a week ahead so it just really depends on the baby i guess but nothing is really accurate so dont worry ur baby is fine

Answer 8

Neither are exactly accurate. I would go for the in between date, but honestly you could go at any point.

Answer 9

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Yes.
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Answer 10

why are you worring your self unless you don't know who the father is.