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Doctor insights on: First Trimester Nuchal Translucency Screening

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Just had my 20 week scan, nuchal fold measured at 6.4 mm, and the doctor saw a choroid plexus cyst. Should we be worried. First trimester negative.

Just had my 20 week scan, nuchal fold measured at 6.4 mm, and the doctor saw a choroid plexus cyst.  Should we be worried.  First trimester negative.

Choroid plexus cyst: The finding of a choroid plexus cyst in ultrasound scans in pregnancy is very common and most resolve over time. A repeat ultrasound in a month or two may show that the cyst has "disappeared". If you have more questions, consult a maternal-fetal medicine specialist, but your concern should be minimal. ...Read more

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Dr. Tim Conrad
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Screening (Definition)

Examples are: colonoscopy for colon polyp or cancer; mammograms for breast lesions or cancer; psa a blood test that could indicate enlargement of cancerous prostate tissue; blood sugar or hemoglobin a!c for diabetes. Many think that scanning the whole body will pick up a cancer--in all likelihood, it will not. There also is no good blood test, yet, ...Read more


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What is nuchal translucency screening?

What is nuchal translucency screening?

Nuchal Translucency : Nuchal Translucency is a screening test to determine risk of chromosome abnormalities in a fetus. When the NT is greater than 3.5 mm, there is a 1 in 5 chance of a chromosome abnormality such as Turner or Down syndrome, or Trisomy 18. Additional tests should be ordered by an OB or genetic counselor for confirmation. A mother may decide to continue or end of the pregnancy based on the information. ...Read more

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Nuchal translucency screening, what is this?

Nuchal translucency screening, what is this?

Nuchal Translucency : Nuchal Translucency is a screening test to determine risk of chromosome abnormalities in a fetus. When the NT is greater than 3.5 mm, there is a 1 in 5 chance of a chromosome abnormality such as Turner or Down syndrome, or Trisomy 18. Additional tests should be ordered by an OB or genetic counselor for confirmation. A mother may decide to continue or end of the pregnancy based on the information. ...Read more

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Do I need to get nuchal translucency screening?

Do I need to get nuchal translucency screening?

It is highly recomme: Recommended as it is the standard of care ! it will help identify that your fetus has no problems and you will also need a fetal anatomy scan at 20 weeks to make sure everything is ok , I am sure it will be , but if it is not then you have options and your OB can better manage you either way. ...Read more

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Where can I find out about nuchal translucency screening?

You doctor: Your ob/gyn can explain that to you. It is safe and effective, but it is not available everywhere and is not considered the standard of care for pregnancy surveillance. ...Read more

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Nuchal translucency screen, how is this used?

Nuchal translucency screen, how is this used?

Nuchal Translucency : Nuchal Translucency is a screening test to determine risk of chromosome abnormalities in a fetus. When the NT is greater than 3.5 mm, there is a 1 in 5 chance of a chromosome abnormality such as Turner or Down syndrome, or Trisomy 18. Additional tests should be ordered by an OB or genetic counselor for confirmation. A mother may decide to continue or end of the pregnancy based on the information. ...Read more

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What is a first trimester screening for a fetus?

What is a first trimester screening for a fetus?

Blood and U/S tests.: First trimester screen for any pregnancy includes a sonographic examination to determine plurality, basic fetal anatomy, gestational sac location, fetal viability and gestational dates - as well as blood tests (hcg, papp-a, maternit21/harmony tests) to determine the risk for down syndrome, fetal growth restriction, preeclampsia (uterine artery dopplers), preterm birth (cervical length). Nicolaides. ...Read more

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What is first trimester screening and maternal fetal medicine?

What is first trimester screening and maternal fetal medicine?

Ob terms: 1st trimester screening are any tests done during a pregnancy during the first 12-14 weeks of pregnancy. This can include ultrasounds. blood tests and others. Maternal fetal medicine is a subspecialty of obstetrics. It's also often called "perinatology". These are obstetricians who go on to do additional training in the management of high risk pregnancies. ...Read more

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Should i be worried if soft markers were found in anatomy scan when harmony, AFP and first trimester screening were very low risk?

I'm sure it's hard : Not to worry till your OB can gather enough additional information to confirm or rule out a problem. However, it also assures you that you & your baby are receiving excellent medical care & that all needed tests &/or referrals will be offered to you in a timely fashion. Try to stay positive & healthy. You may not have. Been able to process everything your OB said at first, so ask him/her again. ...Read more

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Already had harmony test, afp, first trimester screening and they were all very low what might a dr suggest if soft markers are found on anatomy scan?

Already had harmony test, afp, first trimester screening and they were all very low what might a dr suggest if soft markers are found on anatomy scan?

Reassurance!: If all that's found is a soft marker, and your screening and cell free dna results are normal, the most likely answer is that the soft marker is a normal variant. However if there is a finding consistent with a birth defect, that might merit further investigation, such as diagnostic testing within amniocentesis. ...Read more

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Which is a better predictor of Down syndrome during the first trimester screening, low papp-a or high hCG levels? Or the ratio between the two values?

Which is a better predictor of Down syndrome during the first trimester screening, low papp-a or high hCG levels? Or the ratio between the two values?

Four tests: A combination of four tests, quad screen, is done twice as a screening test for down syndrome. See this site for more info. http://www.mayoclinic.com/health/quad-screen/my00127. ...Read more

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I had a normal first trimester screening and harmony prenatal test. Is an AFP blood test necessary? Can it come back high risk?

I had a normal first trimester screening and harmony prenatal test.  Is an AFP blood test necessary?  Can it come back high risk?

The msAFP is: To assess the risk of open neural tube defects i.e. Spina bifida, which is not tested by harmony or the first trimester screen. It is up to you if you would like to be screened for ntds. Keep in mind that, if detected, these defects can be repaired by a skilled pediatric neurosurgeon while the baby is still inside you. Speak to your obgyn and make an informed decision. Hope this helps. ...Read more

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If the 1st trimester screening for Down syndrome was negative, how much does an echogenic focus at 20 week screening factor in?

If the 1st trimester screening for Down syndrome was negative,  how much does an echogenic focus at 20 week screening factor in?

Amniocentesis is key: If you had amniocentesis which did not reveal abnormalities consistent with .Down syndrome, then the only concern would be structural abnormalities, such as heart abnormalities. If you have not had amniocentesis, you should have it. ...Read more

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Fetal hb @ 6w2d. Doc didn't tell me # of BPM & i didn't ask but was only told to come back @ 12w to have the 1st trimester screening. Shoud i worry?

No: The presence of the heart beat is way more significant than the exact rate and the chances of miscarriage are much decreased. Your doctor would certainly be bringing you back sooner if the rate was not in a normal range. ...Read more

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My 1st trimester screening came back very low 1 in 3, 000. I just took the harmony genetic test. Is there any chance my risk can change to high risk?

My 1st trimester screening came back very low 1 in 3, 000. I just took the harmony genetic test. Is there any chance my risk can change to high risk?

Not likely: Your numbers are quite good. The 1 in 3000 is based on your first trimester screen which is a probability. The harmony test is based on the fetal dna in your blood. Therefore, it has a higher detection rate than the first trimester screen, and in theory could change--but not highly likely given your good numbers. ...Read more

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Age 21 first pregnancy. Vanishing twin lost at 7 weeks. Nuchal translucency scan this week, so nervous! What are the chances that its high risk?

Age 21 first pregnancy. Vanishing twin lost at 7 weeks. 
Nuchal translucency scan this week, so nervous! What are the chances that its high risk?

Don't worry: It sounds like you are getting good care. Try not to worry as it is not good for you nor your pregnancy. Just wait and see what the tests show. Try to enjoy your pregnancy, and do what you can to stay healthy. Drink plenty of water, eat a healthy diet containing lots of fresh fruits and vegetables, walk 45 minutes every day, and take Prenatal vitamins containing Folic acid. ...Read more

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What is a nuchal translucency test?

What is a nuchal translucency test?

Nuchal Translucency : Nuchal Translucency is a screening test to determine risk of chromosome abnormalities in a fetus. When the NT is greater than 3.5 mm, there is a 1 in 5 chance of a chromosome abnormality such as Turner or Down syndrome, or Trisomy 18. Additional tests should be ordered by an OB or genetic counselor for confirmation. A mother may decide to continue or end of the pregnancy based on the information. ...Read more

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Nuchal translucency scan at 4.4mm, what to do?

Nuchal translucency scan at 4.4mm, what to do?

Nuchal Translucency : Nuchal Translucency is a screening test to determine risk of chromosome abnormalities in a fetus. When the NT is greater than 3.5 mm, there is a 1 in 5 chance of a chromosome abnormality such as Turner or Down syndrome, or Trisomy 18. Additional tests should be ordered by an OB or genetic counselor for confirmation. A mother may decide to continue or end of the pregnancy based on the information. ...Read more

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Nuchal translucency measured 2mm then the next day at a different dr's office, it was 0.4mm. 13 weeks pregnant.How is that possible?

Nuchal translucency measured 2mm then the next day at a different dr's office, it was 0.4mm.  13 weeks pregnant.How is that possible?

Ultrasound: I use ultrasound, ; it is easy to have difference of measurements. Example: if you take a picture of your nose from front and same nose slightly from the side, it will look longer when it's the same nose. It is impossible to take two pictures of somewhere in the human body that are identical. There are differences of position etc. This is more so if two different people take the picture. ...Read more

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I went for IPS 1and I was 13 wks 3 days by LMP. The tech said I am 14 weeks 2 days on ultrasound, so they can't do nuchal translucency. Is it by LMP ?

I went for IPS 1and I was 13 wks 3 days by LMP. The tech said I am 14 weeks 2 days on ultrasound, so they can't do nuchal translucency. Is it by LMP ?

By sonogram: Nuchal translucency measurements are usually base on sonographic measurements of fetal crown rump length measurements giving a gestational age between 10 to 14 weeks. The cutoff is usually 14 weeks by sono. However, in a high risk population, the measurements remains fairly constant and may be done at any time. ...Read more