Q: what are signs of down syndrome in an infant?

Complex issue: Children with downs syndrome can be seriously ill at birth. They may have heart disease, bowel obstruction, serious lung disease, blood sugar problems. If these are not present, they may be healthy but hypotonic with trouble feeding. Usually they have obvious features of their face and ears and hands that suggest the diagnosis. Chromosome testing will confirm the diagnosis.

Question 1

why is my baby down syndrome?

Accepted Answer

Chromosome defect: Ds is one of the more common chromosome(c) defects that can survive pregnancy (many others miscarry).Eggs are supposed to have a single 21c & combine with the 21 from dads normal sperm.In ds the pair of moms 21c +dad's 21 creates a baby with the three 21c in all tissues.This extra material confuses the creation of body parts causing ds..Various prenatal tests can pick up signs early on.

Question 2

why does down syndrome happen?

Accepted Answer

Mistake in chromosom: During the formation of normal eggs or sperm the chromosome(c) pairs are supposed to split leaving one of each in the egg/sperm.At conception the joining of egg/sperm brings together the pair &  as tissue grows it has the proper number in each cell. With ds the egg has a pair of 21c and at conception a triple 21 is created. All cells derived after will have an extra 21 & become a ds child.

Question 3

how can you inherit down syndrome?

Accepted Answer

Yes: A woman with Down syndrome (trisomy 21) may be able to get pregnant, but men with Down syndrome are almost always sterile, due to problems with sperm production.  That means about half of the babies born to women with Down syndrome will inherit an extra chromosome #21 and be Down syndrome babies.  Said another way, if you inherited down syndrome, your mother must have had down syndrome.

Question 4

down syndrome is autosomal dominat?

Accepted Answer

No: No. It is chromosomal. Down syndrome is not usually passed from one generation to the next. So it is not dominant or recessive.

Question 5

how you tell if someone has down syndrome?

Accepted Answer

Doc should recognise: Down syndrome is one of the most recognizable patterns of any chromosome defect ; one that most doctors can recognize. There are a variety of internet sites with lists of features. If you have concerns you should share them with your physician.A chromosome test can confirm or exclude the diagnosis.

Question 6

what are the different causes down syndrome?

Accepted Answer

Downs syndrome: Trisomy 21 when there is an extra chromosome at 21, mosaicism when some cells have trisomy and others not, robertson translocation [n which long arm of 21 chromosome is attached to another chromosome often chromosome 14.

Question 7

what are the complications of down syndrome?

Accepted Answer

Down's Syndrome: Heart defects, more prone to infections, cervical spine abnormalities, eye problems, learning delays, low muscle tone, facial abnormalities (including making infants/children prone to ear infections), various types of hearing loss. These are some of the main ones, but does not mean every person with Downs has any or all of these, and there are other more uncommon ones as well.

Question 8

what positive effects of down syndrome are there?

Accepted Answer

Less atherosclerosis: Lower incidence of atherosclerosis would be the only  identified positive effect.

Question 9

might someone have multiple instances of down syndrome?

Accepted Answer

Yes...: The risk depends on the mechanism. Most Down syndrome is caused by extra copy of chromosome 21. The risk of having 2nd child with Down syndrome because of this mechanism is quite low (<1%). If translocation in dad is the cause, risk is 3%; if translocation is in mom, risk is 10-15%.

See:

http://www.Mayoclinic.Com/health/down-syndrome/ds00182/dsection=causes.

Question 10

what are signs of down syndrome in an infant?

Accepted Answer

Complex issue: Children with downs syndrome can be seriously ill at birth.  They may have heart disease, bowel obstruction, serious lung disease, blood sugar problems.  If these are not present, they may be healthy but hypotonic with trouble feeding.  Usually they have obvious features of their face and ears and hands that suggest the diagnosis.  Chromosome testing will confirm the diagnosis.

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Why is my baby down syndrome?

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Why does down syndrome happen?

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How can you inherit down syndrome?

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Down syndrome is autosomal dominat?

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How you tell if someone has down syndrome?

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What are the different causes down syndrome?

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What are the complications of down syndrome?

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Might someone have multiple instances of down syndrome?

A member asked:

What are signs of down syndrome in an infant?

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