Many friends don’t know much about what the Tang screening test mainly checks and what diseases the Tang screen checks for. Today, the editor will share it with you. I hope it can help everyone. , let’s take a look below!
Contents of this article
- What are the main tests of blood drawing for Tang screening examination
- What does Down syndrome screening mean
- What does Down syndrome screening mean
- What disease does Down syndrome screening test for
- Down syndrome screening Divided into Early Tang Dynasty, Middle Tang Dynasty and Late Tang Dynasty, what tests were performed
- What tests were performed for Down syndrome screening
1. What are the main tests for Tang screening examination?
Mid-term labor The screening blood test mainly checks alpha-fetoprotein and hcg, etc., and combines gestational age, age, and weight to evaluate the probability of suffering from chromosomal diseases through a calculation formula. If the examination shows high risk or critical risk, it means that the probability of disease is relatively high and further prenatal diagnosis is needed. It can be combined with non-invasive DNA testing first. If the risk is high, amniocentesis is required.
2. What does Down syndrome screening mean
Down syndrome Screening is mainly prenatal screening for Down syndrome. It can mainly detect alpha-fetoprotein and free estriol, chorionic gonadotropin concentration in maternal serum through blood tests, combined with gestational age or age, weight, etc. situation to determine whether the fetus has a risk factor for neural tube defects. This test is usually performed around 16 to 20 weeks of pregnancy.
3. What is Down syndrome screening
Down syndrome screening It is a malformation examination during pregnancy, mainly for body 21-3 syndrome, trisomy 18 syndrome and open neural tube defects. It is an examination performed by drawing venous blood from pregnant women. The screening time for early stage Tang Dynasty is from 11 weeks to 13 weeks, and NT examination is also required at this time. The screening time is from 15 weeks to 20 weeks.
4. What diseases does Down syndrome screening test for
Down syndrome screening mainly checks whether the fetus has Down syndrome, but this The examination is also a risk value report and is not an accurate examination sheet. In addition, Down syndrome screening is mainly carried out by drawing the blood of pregnant women, so it is best to choose a rich selection when conducting the examination in the morning. Inspection, such inspection results are more accurate.
5. Down syndrome screening is divided into early Tang Dynasty, middle Tang Dynasty and late Tang Dynasty. What are checked
Down syndrome screening is divided into early Tang syndrome, middle Tang syndrome, and late Tang syndrome. Early diagnosis screening is done at 11 to 13 weeks plus 6 days of pregnancy. It is a color ultrasound NT examination, which measures the thickness of the fetal nuchal translucency to screen whether the baby is at high risk for Down syndrome. Zhongtang screening is a method that extracts the serum of pregnant women, detects the concentrations of AFP, HCG and UE3 in the maternal serum, and calculates the probability of giving birth to a fetus with congenital defects based on the expected date of delivery, weight, age, weight and gestational age at the time of blood collection. Risk factor.
6. What tests are done for Down syndrome screening
Down syndrome Screening is an examination to check whether the fetus is at high risk for Down syndrome. Generally, blood is drawn to check for free estriol, alpha-fetoprotein, and chorionic gonadotropin. The results of the examination are combined with the age and gestational age of the pregnant woman. And weight, etc. to determine whether there is a high-risk child with Down syndrome. Down syndrome screening can be done between 15-20 weeks of pregnancy.
This is the end of sharing about what this Tang screening test mainly checks and what diseases are checked for Tang screening. If your problem is solved , we are very happy.
