Common "Nt Scan" queries answered by top doctors | iCliniq

Nt Scan

An NT (Nuchal Translucency) scan is a prenatal screening done in the first trimester, which measures the size of the clear tissue at the back of the fetus's neck called the nuchal translucency. Too much clear space indicates chromosomal abnormalities like Down syndrome, Patau syndrome or Edwards syndrome.

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NT scan shows placenta is fundo posterior lower edge reaching internal os. Can I travel?

Query: Hi doctor, Our 12 weeks NT scan indicates developing placenta is fundo posterior lower edge reaching internal OS. The doctor advised 30 days complete bed rest. I need your opinion on the same case and also doing an ultrasound scan after two weeks. This scan was done 10 days back and since then I am...  Read Full »


Dr. Sameer Kumar

Answer: Hello, Welcome to icliniq.com. At 12 weeks gestation with placenta fundo-posterior with lower edge reaching internal is a fairly acceptable finding for early pregnancy. It does not really call for bed rest if there has been no episode of any bleeding per vaginum. The safest distance of placenta is...  Read Full »

Can a temperate pool at 98 F affect the baby during pregnancy?

Query: Hello doctor, I found out that I am pregnant, and the next day I went to a spa. Knowing that hot tub and sauna are not good for me, the lady at the spa told me to go to the temperate pool, which was 98 F. I went for five minutes, and now I am so scared. Did I do something wrong? Please help.  Read Full »


Dr. Sonal Prasad

Answer: Hello, Welcome to icliniq.com. Do not worry, sauna is to be avoided in pregnancy, but not ones with temperature as body temperature. The lady at the spa was wise. Make sure you take your antenatal vitamins throughout pregnancy. For more information consult a doctor soon.   Read Full »

Is it risky if the NT scan shows 3 to 5 mm thickness?

Query: Hello doctor, I am a 33 year old female, who has a 5 year old baby girl. I had two miscarriages, one two years back at 11 weeks, and one last year at nine weeks. Now, I am three months pregnant, and I had a NT scan, which showed a thickness of 3 to 5 mm. Is this a case of high-risk pregnancy? Does i...  Read Full »


Dr. Balakrishnan R

Answer: Hi, Welcome to icliniq.com. Let me put forth few facts. Your age is in normal limits and not in high-risk for anomalies or genetic problem. Only after 37 to 40 years it is high-risk. You do not seem to have any medical complications. You have one 5 year old child, so the chance of next healthy preg...  Read Full »

Should I be worried about my second-trimester anomaly scan, which is positive for two markers?

Query: Hello doctor, I am a 31 year old female. My first trimester NT and double marker test showed a very low risk of 1:3690 for DS and 1:100000 for two other abnormalities. During the second-trimester anomaly scan, the doctor found two markers, CP cyst and mild RPD 4 mm and 4.5 mm. I have given blood for...  Read Full »


Dr. Deepti Verma

Answer: Hello, Welcome to icliniq.com. I have gone through your question and understand the concerns. The risk in serum screening is low. Choroid plexus cyst usually resolves by 26 weeks, if present as a normal variant. A renal pelvis more than 7 mm is abnormal, but more than 4 mm is doubtful. Hence, Ther...  Read Full »

Please review my NT and double marker reports.

Query: Hello doctor, I was recommended for NIPT, early TIFA scan and then amniocentesis if needed. Here are my NT and double marker reports. Kindly interpret the real risk level for me and what should be the next step ahead if there is any concern. My blood sample for the double marker was collected at eig...  Read Full »


Dr. Deepali Raina

Answer: Hello, Welcome to icliniq.com. From your reports (attachment removed to protect patient identity), the risk is relatively high for you. But, it does not mean that the baby has Down's syndrome. Amniocentesis is the next step for your for confirmation. If money is a concern, you can wait for another ...  Read Full »

Does NT scan show signs of Down's syndrome in fetus?

Query: Hello doctor,My wife, aged 30 years, is 17 weeks pregnant with our second child. The prenatal (first trimester) screening report indicated a calculated risk for Down’s syndrome as 1:544 (final). NT at 12 weeks 5 days was 1.8 mm. Considering this an intermediate risk, our OBGYN advised Early Anomal...  Read Full »


Dr. Sameer Kumar

Answer: Hello, Welcome to icliniq.com. Considering the fact that firstly, your NT scan measured 1.8 mm which was below 2.5 mm cut off and hence was normal for gestational age. Secondly, the cut off for trisomy 21 being 1: 250 and age related risk as well were lower with 1:544 and 1: 815, so the screen was...  Read Full »

Kindly explain my NT scan and double marker test result.

Query: Hello doctor, I am a 34-year-old female. Kindly explain my NT scan and double marker test result. PAAP -A - 3.37 miU/ml, HCG, free beta - 147.00 ng/ml, NT value - 1.40mm, Trisomy 21 - 1:227.  Read Full »


Dr. Mavani Jimesh Himatbhai

Answer: Hello, Welcome to icliniq.com. Let me explain to you first why this report is done and what it is about. Basically it is a screening test and results of that do not indicate that baby has a problem. It just indicate that what are the chances of your baby to have some congenital anomalies like Down...  Read Full »

What are the risks of pregnancy if mom's age is 40 years?

Query: Hello doctor, I am a 40 year old female. I did nuchal translucency (NT) scan at 12 weeks and 1 day. The result reads NT 1.1 mm. Free beta hCG 25.9 ng/ml. PAPP-A 0.53. My sugar levels and BP are normal. I am taking Aspirin and Enoxaparin every day. Kindly tell me about my risks.  Read Full »


Dr. Balakrishnan R

Answer: Hello, Welcome to icliniq.com. I see nothing for you to worry about. Let me explain. Here age is the only factor, but this is only a relative term. In the general population, the risk of genetic problems is high after 40 years, and we tend to screen all the pregnant ladies around this age group. N...  Read Full »

What is the risk of Down's in the double marker report?

Query: Hi doctor, This is the report of double marker test of my wife: Corrected MoM and calculated risks: fb-hCG 165 ng/ml 3.82 Corr. MoM PAPP-A 1.84 mlU/ml o.45 Corr. MoM Ultrasound data: Nuchal translucency 1.00 mm CRL 60 mm 0.64 MoM Gestational age by CRL 12+ 2 Nasal bone present Gestational age on th...  Read Full »


Dr. Sravanthi Nuthalapati

Answer: Hello, Welcome to icliniq.com. To explain you the report in plain language, first of all, let me tell you that the dual marker test is just a screening test for Down's syndrome and other chromosomal anomalies like trisomy 13/18. So, the test involves calculation of the risk of carrying a Down's...  Read Full »

Can a low-lying placenta cause serious issues?

Query: Hello doctor, I had NT scan at 12 weeks and 5 days in which was found placenta is on the right lateral wall, 0.3 inch above the os. Internal os is closed. Cervical length is 37 mm. Does this mean placenta is low lying? Is there a serious problem?  Read Full »


Dr. Sravanthi Nuthalapati

Answer: Hello, Welcome to icliniq.com. Yes, your scan indeed tells that you are having a low lying placenta. In such cases, chances of painless bleeding may be there. It would be better to avoid intercourse and heavy activities and to have a review of placental location in the anomaly scan at 19+ weeks. A...  Read Full »

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