Question 1

what population is affected by trisomy 13?

Accepted Answer

?? odd question ??: Humans of any race, culture,ethnic group, social status, etc. can have a baby with trisomy 13.

Question 2

interested to know how does a person inherit trisomy 13?

Accepted Answer

Genetic Mutation: Whenever you make germ cells (sperm and eggs) your body mixes up some of your genetic material and then separates it into discrete packets called chromosomes. You have 23 chromosomes in each germ cell. Sometimes in the process of making germ cells, the mechanism for sorting them out can get rusty (especially with age) and you can end up with an extra copy of number 13 -- t13.

Question 3

12 week double marker result. biochem risk +nt is 1:1669 double test is 1:284 age risk is 1:514 trisomy 13/18 +nt less than 1:10000. was this normal result?

Accepted Answer

: Never use abbreviations in medical communications can be deadly.  What was the test done for in the first place? Discus with your personal Dr.

Question 4

can radiation cause trisomy 13?

Accepted Answer

Not to my knowledge: Trisomy is caused by a robertsonian translocation in the karyotype of one of the parents or by a meiotic nondisjunction event of a sperm or egg cell.  88% of time trisomy comes from nondisjunction in the maternal egg and 8% comes from nondisjunction in the paternal sperm.

Question 5

is trisomy 13 dominant or recessive?

Accepted Answer

Neither: Any defect like trisomy 13, that involves acquiring an extra chromosome, has nothing to do with dominant or recessive genes. It occurs when usually the egg carries 2 rather than 1 of the 13 chromosomes. Fertilization by a normal sperm with one of every chromosome creates an embryo with three # 13's.If the embryo survives pregnancy it emerges as a trisomy 13 infant  with all the problems they have.

Question 6

is it true that trisomy 13 caused by inbreeding?

Accepted Answer

Not true: Trisomy 13 (3 copies of chromosome 13 in all your cells) is caused by an error in the way one of your two chromosome 13s move when you make an egg or a sperm. It's called nondisjunction. When it happens, it's no one's fault. Marriage between close relatives, like 1st cousins, is common in many places in the world, and trisomy 13 is just as rare there as it is everywhere else.

Question 7

what is the average lifespan of someone with trisomy 13, patau syndrome?

Accepted Answer

Lifespan: In my clinical experience of 31 years practicing neonatal medicine, i would have to answer your question with a vague response. This is because each affected child does not necessarily have the same degree of affliction. The literature on this tells us that 99.9% die before a year of age. I have not seen one survive longer than two months, and I have seen many.

Question 8

trismoy21  1: 1067 trisomy 18 1: 2674 trisomy 13  1: 8368  does it mean my child has down sydrome?

Accepted Answer

Unclear: The information you list provides no specific information on which to base an answer. How was the data obtained and why? Does it relate to some specific test, a pregnancy, a genetic counseling session ? Questions should provide basic information on the problem and ask a clear question. The public site is not a chat room and none of your prior submissions are linked. Try again if you wish.

Question 9

are there any specialized hospitals for trisomy 13 patients? spealized drs?

Accepted Answer

Not really: If you suspect or have a confirmed pregnancy with T13 you have decisions to make. The condition is universally fatal &amp; those who survive pregnancy live only a short time after birth. Delivery at a center that has medical genetics and neonatology can help confirm the diagnosis and allow the most time for you to can have to get acquainted with baby before the end comes.

Question 10

what is the average lifespan of baby born with trisomy 13, patau syndrome?

Accepted Answer

Days/weeks.: Stillbirth (see picture) is very common. Of liveborns, 80% of affected infants die within the first month of life; only 5% survive the first six months. Severe intellectual disability, seizures, and failure to thrive are noticeable in survivors over 1 year of age. No interventions for fetal benefit are ethically justifiable during pregnancy (no cesarean section, no fetal monitoring indicated).

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Doctor answers about:

Trisomy 13 signs

A member asked:

What population is affected by trisomy 13?

A member asked:

Interested to know how does a person inherit trisomy 13?

A member asked:

12 week double marker result. biochem risk +nt is 1:1669 double test is 1:284 age risk is 1:514 trisomy 13/18 +nt less than 1:10000. was this normal result?

A member asked:

Can radiation cause trisomy 13?

A member asked:

Is trisomy 13 dominant or recessive?

A member asked:

Is it true that trisomy 13 caused by inbreeding?

A member asked:

What is the average lifespan of someone with trisomy 13, patau syndrome?

A member asked:

Trismoy21 1: 1067 trisomy 18 1: 2674 trisomy 13 1: 8368 does it mean my child has down sydrome?

A member asked:

Are there any specialized hospitals for trisomy 13 patients? spealized drs?

A member asked:

What is the average lifespan of baby born with trisomy 13, patau syndrome?

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