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Doctor insights on: Boy Ultrasound At 20 Weeks

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What does it mean when an ultrasound at 20 weeks is accurate within 2wks?

What does it mean when an ultrasound at 20 weeks is accurate within  2wks?

18 to 22 weeks: It means it could be off by 2 weeks. It could be 18 weeks or it could be 22 weeks or anywhere in between. It is just a comment on the accuracy of the ultrasound. The ultrasound is usually quite accurate, but it does have a range and the accurate within 2 weeks is just commenting on that. If you combine that with your last period you should be quite accurate. ...Read more

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Dr. Betsy Greenleaf
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Dr. Michael Gabor
1,992 doctors shared insights

Sonogram (Definition)

The sonogram is a test that looks at body organs with no radiation. It uses sound waves and can give us a 2 dimensional view of organs such as the kidney, liver, heart, and lungs. It can define spaces that are either solid or full of fluid. I can also guide large needles into an organ or near the spine, and can help define the area being cut open. Its a ...Read more


Dr. Betsy Greenleaf
Board Certified
17 years in practice
879K people helped
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What all can fetal ultrasound at 20 weeks tell you?

What all can fetal ultrasound at 20 weeks tell you?

A lot of details.: Fetal gender, anatomy in detail (including brain, heart, spine, kidneys, extremities), amniotic fluid volume, due date estimation within 10 days of actual date, cervical and uterine anomaly detection, placental location and pathology. It is a very cost-effective test for any pregnancy and should be universally performed. ...Read more

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I had dating ultrasound at 20 weeks (less accurate) giving me a due date of 9/6/13. Is it possible for father to be someone i had sex with 11/23/12?

I had dating ultrasound at 20 weeks (less accurate) giving me a due date of 9/6/13. Is it possible for father to be someone i had sex with 11/23/12?

I am not sure.: Using: http://calculatorgo.Com/conception-date.Php?Month=9&day=6&year=2013 which is a conception calculator your estimated conception date was 14 december 2012 (between 12 to 17 december 2012). ...Read more

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Im 20 weeks and 2 days and haven't felt my baby move yet and I have my ultrasound in 3 days can there be something wrong? With my first son i felt him instantly at 20 weeks and felt him every day till il had him

Babies : Babies typically start moving around between 16-24 weeks. If your baby was moving, then it is crucial you let your doctor know if there is a decrease in baby movement activity. It is better to be safe than sorry. Also, going forward, keep a log of baby kicks per day and document them.This is a great way to note any changes in activity. ...Read more

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How accurate is ultrasound done at 20 weeks for gender determination of fetus. Is obstretics ultrasound with same accuracy. Same question for 22 wks?

How accurate is ultrasound done at 20 weeks for gender determination of fetus. Is obstretics ultrasound with same accuracy. Same question for 22 wks?

Depends.: My rule has always been: don't guess! if the fetus is in a poor position for viewing the genitals then no determination can be made. At 20 weeks, if the genital region is visible there is a very high level of accuracy for gender determination. It all depends on the skill of the person doing the scan. ...Read more

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Dr. Betsy Greenleaf
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Can the routine fetal anatomy ultrasound be performed earlier than the standard 18-20 weeks? Is 15-16 weeks way too early to have this done?

Can the routine fetal anatomy ultrasound be performed earlier than the standard 18-20 weeks?  Is 15-16 weeks way too early to have this done?

It can - but limited: The future trend will be to perform anatomical fetal surveys in the late first trimester (14 weeks) via transvaginal sonography. Expert centers in europe are already doing this successfully. In the U.S. Most practices perform the anatomy scan at 18-20 weeks to allow for pregnancy termination in case of serious anomalies. From an imaging standpoint, the optimal time is 24-28 weeks. ...Read more

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Is it too long to wait 20 weeks for the first ultrasound? I had a past miscarriage 4 months ago.

Is it too long to wait 20 weeks for the first ultrasound? I had a past miscarriage 4 months ago.

Better view: At 20 weeks more anatomy of the developing baby (fetus) can be assessed. It is a good sign that your doctor has decided that your pregnancy is progressing satisfactorily enough to not request an ultrasound until that time. ...Read more

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What does white spot in babies stomach mean during 20 weeks ultrasound.?

What does white spot in babies stomach mean during 20 weeks ultrasound.?

Usually nothing.: Echogenic material in the fetal stomach is sometimes seen in prenatal ultrasound, but is usually of no clinical significance. This may be swallowed vernix caseosa, desquamed epithelial clumps, or metabolic products of subchorionic blood after a hemorrhagic episode. In the latter case, the fetal gastric debris is still not a problem in and of itself, rather a marker of a previously existing problem. ...Read more

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Dr. Betsy Greenleaf
Board Certified, Gynecology
17 years in practice
879K people helped
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