What is prenatal genetic disease testing?

Many women will do prenatal preparations before getting pregnant, and there are many tests that must be done, because there may be some genetic diseases in our bodies, these diseases will have an impact on the baby, and genetic diseases will also increase the burden on the family. Doing a good job of screening in advance can avoid the occurrence of many diseases, so what do you need to do for prenatal genetic disease tests?

Prenatal genetic disease detection week

It is possible to do it between 15-21 weeks of pregnancy, and avoid contact with harmful substances during pregnancy.

Which parents need prenatal genetic disease testing?

1. Pregnant women over 35 years old.

2. Pregnant women with a history of miscarriage, especially those with repeated miscarriages.

3. I have a history of having a deformed baby and multiple intrauterine stillbirths.

4. There is a history of genetic disease in the family.

5. One or both parties are suspected or known carriers of genetic factors, or are suffering from the disease.

6. One or both spouses have abnormal chromosome karyotype.

7. Have a history of exposure to teratogenic factors (such as drugs, viruses, radiation, pollution, tobacco, alcohol, pesticides, etc.).

Which parents need prenatal genetic disease testing?

The medical history of the above-mentioned persons should be inquired in detail, especially the characteristics of the patients. If necessary, family pedigree analysis should be conducted to preliminarily estimate the type of genetic disease. If you are a patient, you can measure the missing enzymes or their metabolites and the teratogenic factors of polygenic diseases. Pregnant women can undergo prenatal diagnosis based on the size of the fetus. Currently, the commonly used prenatal genetic disease screening methods in clinical practice include chromosome testing, alpha-fetoprotein testing, B-ultrasound examination, amniocentesis, fetoscopy, etc. B-ultrasound examination is widely used and can be used to diagnose multiple fetal surfaces, placental positioning and grading, visceral malformations, abnormal placental morphology, placental tumors, fetal malformations, fetal edema, macroabdomen, hydronephrosis, predict miscarriage and stillbirth, measure the biparietal diameter of the fetal head, long bone length and amniotic fluid volume, etc.

This article introduces in which weeks prenatal genetic disease testing should be performed, which pregnant women need prenatal genetic disease testing, and the methods of genetic disease testing. As a pregnant woman, it is best for you to know when to do the genetic disease test before delivery, so that the genetic disease can be detected in time and the occurrence of hereditary diseases can be avoided.