**Measures before NT ultrasound** NT ultrasound is one of the most appropriate ultrasounds that should be performed at a specific time and in the first trimester of pregnancy in all women. The information obtained from this ultrasound can be effective in diagnosing many diseases. In this article, the measures before the NT ultrasound are described... ### **NT ultrasound** Examining the clear liquid behind the fetal neck with NT ultrasound in the first trimester of pregnancy can provide your doctor with very good explanations. Chromosomal disorders, Down syndrome, etc. can also be checked with this ultrasound. After NT ultrasound in the first trimester of pregnancy, abnormal ultrasound is performed in the second trimester. ### **Suitable time for NT ultrasound** The best time to do this ultrasound is between 11 and 13 weeks plus 6 days. During this period, the doctor can also perform an ultrasound to determine the gender. ### **Preparation before NT ultrasound** Performing NT ultrasound does not require special preparation, but for the ultrasound process to be better, it is better to observe the following: Usually during pregnancy, there is a need to fill the bladder in the first trimester. In this case, better details can be seen. Basically, after the first trimester or after the 12th week, there is no need for special preparation. But it is better to have one of your family members with you in this ultrasound to increase your morale, and also, if there are moles in your abdomen, you can correct them before the ultrasound. ### **Is ultrasound harmful?** One of the most important concerns of mothers for pregnancy ultrasound is the fear of the danger of ultrasound for their fetus. In ultrasound, due to the use of sound waves for diagnosis, there is no danger to the mother and the fetus. If the value specified in NT ultrasound at 11 weeks is equal to 2, then there is no need to worry. This number may change to 2.8 by week 11 plus 6 days. It is worth mentioning that the higher number of this number in the ultrasound does not mean the presence of Down syndrome. Rather, additional tests should be done to see its accuracy. ### **Confidence percentage of NT ultrasound test** It can be said that 75% of people diagnosed with Down syndrome are correct. If this ultrasound is combined with a blood test, its accuracy reaches over 90%. **To get accurate results from NT ultrasound, visit an accurate ultrasound center to perform ultrasound with appropriate equipment and experienced technician. Contact numbers for Dr. Saif's ultrasound center: 88553310 Dr. Saif's sonography Instagram page** **Possibility of Down syndrome** The possibility of Down syndrome may increase in people who got pregnant at an older age, if one of their family members has Down syndrome, and... it may increase. ### **NT ultrasound fee** The cost of all ultrasounds in the ultrasound centers is reviewed by the medical system and the Ministry of Health based on the tariff specified by the party. ### **Conclusion** To perform an ultrasound, you must carefully follow the instructions given by the doctor and go to a good ultrasound center that has the right technician and equipment to get the right diagnosis for you.