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Doctor insights on: Is Trisomy 21 Fatal

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What are the differences between trisomy 21 and xxx?

What are the differences between trisomy 21 and xxx?

Completely different: Down syndrome (trisomy 21) is characterized by varying degrees of neurodevelopmental delay (mild to severe) propensity for dementia at early age and heart/blood disorders, but may have a near normal life span. Extra chromosome x is usually very mild condition; affected females tend to be tall and have relatively small heads and minimal decrease in their verbal and performance iq scores. ...Read more

Dr. Kathryn Akin
641 doctors shared insights

Down Syndrome (Definition)

Down syndrome is the classic presentation clinically of the congenital malformation syndrome also known as Trisomy 21. Classic features may include simian creases, epicanthal folds, upslanting palpebral fissures, flat nasal bridge, hypertelorism, low set ears, endocardial cushion defects of the heart, atlanto-axial joint instability, blood ...Read more


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When should babies start to crawl if trisomy 21?

When should babies start to crawl if trisomy 21?

They may never: Crawling ends up the least important milestone for a baby. An infant with chromosomal defect usually has low muscle tone and will be delayed in sitting and walking. Most tend to scoot on their bottoms and then learn to pull up to stand and then walk along furniture. They usually do not bother to crawl. Crawling is not necessary. They will progress their way - with appropriate help. ...Read more

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What are the chromosome defects affecting chromosome 10, 13 and trisomy 21?

What are the chromosome defects affecting chromosome 10, 13 and trisomy 21?

Many: There are numerous disorders that can happen with abnormalities of chromosomes 10 and 13. Too many to list here. Trisomy 21 means the person has an extra chromosome 21 and this is more commonly known as Down's syndrome. There are many possible phenotypic findings with this disorder, again too many to list here including physical characteristics, heart , hearing, vision, skeletal, developmental.... ...Read more

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What is the cut off risk for trisomy 21 is 1:215, should I go for amniocentesis test?

What is the cut off risk for trisomy 21 is 1:215, should I go for amniocentesis test?

Confusing question: Your age is listed at 45 with a down syndrome risk in excess of 1/100, added to a 4% risk of some unexpected outcome (cleft, premi, sick) for delivery at that age.Amniocentesis is a definitive test for ds and other chromosome issues. If it might alter what you plan for the pregnancy, it has value including preparing for a special needs kid.If it won't, why bother.Some risks are involved. ...Read more

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What is another name for trisomy 21?

What is another name for trisomy 21?

Down Syndrome: This syndrome was named for j langdon down, a physician who ran a foundling hospital in britain many years ago. He wrote up one of the first recognized descriptions of the common features of the syndrome published in a medical journal. ...Read more

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How can you treat Down syndrome (trisomy 21)?

How can you treat Down syndrome (trisomy 21)?

Supportively: Down syndrome itself does not need to be treated however certain conditions that can go along with ds should be managed and prevented if possible. These include monitoring for disturbances in growth and obesity, getting a cardiac workup to evaluate the heart function, have hearing and vision testing, check thyroid function, monitor the blood yearly for abnormal blood counts, good dental hygiene. ...Read more

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What's the relationship between trisomy 21 and down syndrome?

Name game: Dr.Langdon Down worked at a home for the retarded in Britain in the 1800's.He was credited for the first published description of the syndrome that would carry his name. After the human chromosomes were identified and numbered in the 1950's, DS was studied and trisomy 21 was identified in most. Later studies show an extra piece of a specific area of the 21 is all that is needed to have DS. ...Read more

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I was told my unborn baby has a 1:120 chance of trisomy 21. I am doing more testing, but how concerned should I be that my baby has down syndrome?

I was told my unborn baby has a 1:120 chance of trisomy 21. I am doing more testing, but how concerned should I be that my baby has down syndrome?

Glass half empty ?: You can also look at this as a 98+% chance you don't. Any pregnancy has about 4% chance olf some unexpected outcome, including prematurity, birth defect, sick baby, etc. If your like most moms you worry about stuff like this happening anyway, it was just brought into focus by the comment. Hang in there and try to enjoy the idea you wile likely have no problems. ...Read more

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Trisomy (Definition)

Ordinary chromosomal traits require a pair of chromosomes to determine the traits. Occasionally, as a mistake in cellular division, there is a tripling of one of the chromosomes. When these occur, they usually cause unpleasant, and sometimes deadly conditions in the inheritor of these traits (e.g. Down's). Many we do not know about as they are ...Read more