The incidence of major disorders that are obvious at birth is 2-3%. These disorders are considered to be the cause of a significant part of infant deaths. More than a quarter of all hospital admissions in the children's age group are related to genetic disorders. Chromosomal disorder is the cause of 50% of fetal deaths, 5-7% of fetal deaths and 6-7% of stillbirths and infant deaths; Also, these disorders are present in 0.9% of babies who are born alive. Types of trisomies (disorders of a number of chromosomes) are responsible for about 25% of miscarriages and 4% of stillbirths. The data of the child death care system in the country show that congenital anomalies are the second cause of children's death after accidents and incidents; Therefore, one of the significant benefits and consequences of the implementation of the screening program is to help discover chromosomal disorders (such as trisomy 13-13 and 18) and neural tube abnormalities, which lead to a reduction in infant and child mortality, stillbirths, and a reduction in disability and mental retardation and problems related to costs. The care of these patients will be; Therefore, screening in the first, second, and third trimesters is strongly recommended to all pregnant mothers.
The first step in prenatal screening at Hope Generation Medical Institute is genetic counseling for all clients.
At this stage, the consultant doctors draw a family tree and ask about the important and common diseases in the family of the person, and check the results of the genetic tests performed during pregnancy and before that, and based on the family tree, find genetic diseases in terms of inheritance. And they guide the family about the genetic factors affecting the health of the fetus. Then, if needed, they will be referred to relevant specialist consultations.