How is Down Syndrome Diagnosed?
It is imperative for families who are at risk of having a child withDown Syndromeundergo screen before the birth of the child . This is more important in female who get fraught after the eld of 35 age as there is more risk of the kid develop Down Syndrome in females of this old age group who get significant . Screenings are done to guess the chances that the fetus will have of having down syndrome .
Screenings along with laboratory tests more or less confirm whether the fetus has Down Syndrome or not . These diagnostic test are performed within the uterus and come with an increased risk of harm the fetus and evenmiscarriageor preterm labor , although they are very accurate in detecting whether the foetus has this precondition or not .
Some of the cover tests done to diagnose if the fetus has Down Syndrome are :
Nuchal Translucency Testing : This trial is done in the first trimester within 11 - 14 week of maternity . In this test , an ultrasound is done to assess the clean space in tissue behind the neck of the sister .
Quadruple Screening : This is done between the fifteenth and eighteenth hebdomad of pregnancy and measures the quantity of various substance that are present in the blood of the mother .
Integrated Screening : This screenings combines the screenings and rake tests of the first trimester with 2nd trimester screening and blood mental testing .
Fetal DNA Test : This is a blood test that is done to analyse fetal desoxyribonucleic acid which is present in the mother ’s line of descent and is also called as cell - free DNA testing
Genetic Ultrasound : This is done between the 18th and the twentieth workweek of pregnancy in which there is a elaborated echography done along with complete line of descent run .
Any abnormality in any of the screenings observe above raises suspicion for the baby having Down Syndrome and further diagnostic studies are advised . These symptomatic studies are :
Chorionic Villus Sampling : This trial run is done between 8th and twelfth calendar week of the maternity . In this trial run , a sampling of theplacentais make through a needle that is inserted into the cervix
Amniocentesis : This is done between 15th and twentieth week of pregnancy and this trial involves analysis of theamniotic fluidwhich is taken in a small amount through a phonograph needle from the stomach
Percutaneous Umbilical Blood Sampling : This is done mostly in the third trimester or after twentieth week of pregnancy and involves depth psychology of the blood from the umbilical cord which is taken in a little amount through a needle inserted into the belly
The results of these mental test virtually confirm whether a sister is suffering from Down Syndrome even before it is endure .
Down Syndrome can also be diagnosed after the parturition of the babe just by looking at the physical features of the baby which will clearly show whether the child has Down Syndrome or not .
Can Down Syndrome be Prevented?
Down Syndrome is a condition which can not be prevented but what can be done is if an soul has someone in the family with a love case of Down Syndrome or if the individual is considered to be at high risk of exposure candidate then a transmissible counsel is suggest before the female person get significant so as to have an idea as to the hazard of the issue have Down Syndrome .
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