There are some questions and concerns about IVF treatment preferred by couples who cannot have a baby in normal ways. One of them is “Does IVF treatment pose a risk of Down syndrome?” Gynecology, Obstetrics and IVF Specialist Op. Dr. Seval Taşdemir told you all the details you need to know about the subject.
You can find out the genetic status of the baby with prenatal testing
With the prenatal test made from the blood of the expectant mother, it is now possible to learn the genetic status of the baby by giving only a few tubes of blood. Many pregnant women are worried about the health of their unborn baby. The possibility of chromosomal anomaly increases in some pregnancies due to advanced maternal age, family history and high risk determination in screening tests. Techniques developed with information in human genetics; It can give reliable results to couples who want to have a baby in the process until birth. These techniques are a method that helps us to understand how the genetic structures of the mother and father candidates combine in the egg and sperm that make up the child.
Chromosome information is detected from mother’s blood
During pregnancy, the baby’s DNA, which carries the genetic information, passes into the mother’s blood. Prenatal diagnostic testing during pregnancy enables the detection of certain chromosome information from the mother’s blood that may affect the baby’s health. Humans have 23 pairs of chromosomes. The diagnostic test applied during pregnancy detects the chromosomes that should be double, single chromosomes and extra chromosomes. Within the scope of this test; Down Syndrome, Patau Syndrome, Edwards Syndrome, Monosomy X (Turner Syndrome) and X chromosome triploidies. With this test, heart and immune system anomalies can also be looked at. This test can be applied to women of all ages, regardless of body mass index and ethnicity. It does not involve any risk to the baby. It can be done from week 9 in the first trimester of pregnancy and detects 99.9 percent Down Syndrome, Trisomy 13, Trisomy 18, 92 percent Monosomy X, and 99.9 percent X chromosome Triploidy. It shows high sensitivity in detecting common trisomies. It has a very low false positive rate. It determines a personal risk score for each patient with statistics. Test results reach your doctor within 2-3 weeks after the blood sample reaches the laboratory.
What couples should pay attention to in tube treatment
When you decide to become pregnant, you and your spouse’s family members; You need to evaluate and investigate whether there is down syndrome, mental retardation, blood diseases, congenital heart diseases, skeletal system problems, muscle diseases, epilepsy (scar), cystic fibrosis, metabolic diseases. Consanguineous marriage, pregnancies with advanced maternal age, previous pregnancies ending in miscarriage, giving birth to a dead or anomaly baby require genetic counseling. If there is a risk of genetic disease in your family history, they should pay attention to performing all necessary tests and controls before IVF treatment.