Beijing University Third Hospital amniocentesis cost and obstetric experts

Patient's question:

Beijing University Third Hospital amniocentesis cost and obstetric specialist number how much

Doctor's answer:

Hello: The cost of amniocentesis is approximately between 1,500 and 2,000. Amniocentesis is a method of prenatal diagnosis. It is generally suitable for prenatal diagnosis during the second trimester of pregnancy. Amniotic fluid exists in the amniotic cavity; the fertilized egg forms the amniotic cavity on the seventh day after fertilization and begins to produce amniotic fluid. At 12 weeks of pregnancy, the volume of amniotic fluid is 50 milliliters, at 20 weeks it is 400 milliliters, and at 36–38 weeks it is 1,000–1,500 milliliters. Near term, the volume of amniotic fluid slightly decreases. The best time for prenatal diagnosis via amniocentesis to extract amniotic fluid is between 16 and 20 weeks of pregnancy. This is because the fetus is small at this stage, and there is relatively more amniotic fluid. The fetus floats in the amniotic fluid, surrounded by a wide band of amniotic fluid. When extracting amniotic fluid with a needle, it is less likely to injure the fetus. Extracting 20 milliliters of amniotic fluid only accounts for 1/20 to 1/12 of the total volume, which will not cause the uterine cavity to suddenly shrink and lead to miscarriage. Moreover, at this stage, the proportion of active cells in the amniotic fluid is the highest, and the cell culture survival rate is high. This allows for slide preparation, staining, and fetal chromosome karyotype analysis, as well as diagnosis of chromosomal genetic diseases and gender determination. Amniotic fluid cells can also be used for DNA-based genetic disease diagnosis and metabolic disease diagnosis. Measuring alpha-fetoprotein in the amniotic fluid can also diagnose fetal open neural tube defects. During the late stages of pregnancy, amniocentesis can determine blood type, bilirubin, lecithin, sphingomyelin, and placental lactogen, among other things, to assess whether there is maternal-fetal blood type incompatibility, hemolysis, fetal lung maturity, skin maturity, and placental function.