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Birth Defects: The causes and Statistics of Congenital Disorders

By Edited Jan 11, 2016 2 12

Birth Defects: The causes and Statistics

Birth defects are disorders that are referred to as congenital disorders.This means that they are conditions that are present at birth.The severity of birth defects range from very minor cosmetic irregularities to severe life-threatening biochemical disorders.Some children are born with multiple birth defects. Over 3,000 known conditions are recognized by T

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he March of Dimes Birth Defects Foundation.These conditions include chromosome alterations, single gene defects, metabolic defects (also known as defects of body chemistry), blood disorders, physical abnormalities that are present at birth and perinatal injuries that occur directly prior to delivery or during the actual birthing process. The vast majority of birth defects are recognizable at birth; however, some conditions or disorders are not detected for several months or years later. Diagnostic prenatal testing during pregnancy can detect hundreds of birth defects.If there is a family history of genetic birth defects, please let your physician know as there may be additional testing offered to you that is beyond the routine prenatal testing offered.

 

 

What Causes Birth Defects?

More than 60% of birth defects have no known cause or are considered to be caused by a combination of genetic, non genetic or environmental factors. Genetic or hereditary factors are that of either chromosomal or single gene defects.Genetic birth defects are the most common of birth defects and are to blame for about 25% of congenital birth defects. Around 4% of birth defects are attributed to maternal disorders.Some of the maternal disorders that may cause birth defects are diabetes, heart disease and drug or alcohol abuse. Between 3 and 5% of birth defects are caused from infections that are passed between the baby and the mother.Infections such as Rubella or toxoplasmosis are of the more common infections passed between mother and child that cause congenital defects. Drugs and medications taken by the mother cause the remaining 1% of birth defects.Unfortunately, of the 1% of defects caused by medications most can be avoided with an understanding of what is and is not safe.Speak to your doctor before taking any medications during pregnancy.Most physicians offer a list of over the counter medications that are considered safe during pregnancy. During your first doctor's visit for prenatal care, it is likely that you will be asked to fill out a lengthy questionnaire.There will be questions regarding medications that you take; both prescription and over the counter medications, medications you've taken in the past, alcohol consumption during pregnancy, and the use of tobacco and recreational drug.It is important that you answer honestly about your use concerning these substances to enable your doctor to access whether your fetus is or is not at risk.Remember, your physician will not use this information for anything other than prenatal care. The same questionnaire or form may also ask you about any exposures that you have had to agents that have been known to cause birth defects.The agents asked about may include lead, methyl mercury and radiation.A complete and detailed medical history; including immunization status, will also be required. In addition, you will be asked to provide information about your family history.Be prepared to answer the same questions regarding family history about your partner, if possible.This is an important tool for your physician that will allow him or her to determine your risk of passing along a hereditary disorder to your child.It is helpful to ask relatives this information prior to your first prenatal appointment. While some questionnaires may not require quite as much information as has been indicated here, most will.If your doctor does not bring up the subject, you should.Make it a point to ask your prenatal healthcare provider whether any concerns you have about family medical history of both you and your partner are relevant to your pregnancy.

 

How Likely Is My Baby To Be Born With A Birth Defect?

Out of every 100 babies born in the United States about 97 of those children are born healthy and do not require any major medical or surgical intervention at birth.This should be very reassuring statistics as the chances for your baby being born without a birth defect is excellent. According to The March of Dimes Birth Defects Foundation,

1 out of every 175 babies is born with a congenital heart defect.

1 out of ever 400 babies is born with clubfoot.

1 out of every 700 babies is born with cleft lip and palate.

1 out of every 800 babies is born with Down Syndrome.

1 out of every 2,000 babies is born with spina bifida.

While these numbers sound very scary to a pregnant couple, let's put them into perspective.

The chance that you are carrying twins is one in 100.

The odds of having triplets are around one in 8,000.

When looking at the number of children born with birth defects alongside pregnancies resulting in multiple births; such as twins or triplets, we can see that the number of babies born with a congenital disorder or birth defect is very small.

 

Medical Geneticists and Genetic Counselors

If prenatal testing indicates a disorder or your doctor feels you are at an increased risk of having a child born with a birth defect, it's important that you and your partner are able to fully understand a diagnoses and clarifying the risks.A medical geneticist or genetic counselor can help you gain a better understanding and answer any questions that you or your partner may have about birth defects. Before finding themselves in a situation of needing the assistance of a medical geneticists or genetic counselor, most people have never even heard the terms before.A medical geneticist is a physician who specializes in genetic disorders.A genetic counselor has completed a master's-level training program in medical genetics and is certified in genetics counseling.Genetics counseling is designed to be provided in a very informative and supportive manner without being judgmental in any way.Genetics counselors also help with the decision making.Both a medical geneticists or genetics counselor are able to help parents understand the consequences of any particular diagnosis, the options available for treatments and whether it is likely that the birth defect will reoccur in future pregnancies. Medical geneticists may assist a doctor in deciding which tests or genetic studies may be required along with exactly what information may be necessary to make informed decisions regarding a pregnancy.

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Comments

Mar 20, 2010 10:20am
eileen
This is really realy scary. thanks for sharing.
Mar 23, 2010 4:22pm
freedomw
I have a congenital heart defect called Tetralogy of Fallot. I enjoyed reading your article. Your article didn't mention babies could have birth defects when the mothers get sick such as flu or cough. Of course, that would be very difficult to find out.
Jul 14, 2010 10:29am
x3xsolxdierx3x
That has to be the coolest picture to grace the front of Info Barrel! :)
Jul 14, 2010 6:08pm
rspears01
Thanks! I was happy to see my article on the front page! Considering how many awesome articles are here at Info Barrel, I feel honored.
Jul 14, 2010 12:51pm
HealthFitnessTips
Great information! I have learned a lot. Thanks!
Jul 14, 2010 6:08pm
rspears01
Thanks for reading.
Jul 14, 2010 1:13pm
Travis_Aitch
Great picture, awesome article. My brother was born with something where his brain will bleed at random times, causing him to go into grand-maul seizures (I believe his condition is called AVM or something similar). The worst part is blood acts like an acid and now he has holes in his brain from having this problem his entire 22 year life. He's a trooper though.

Birth defects are even more scary because they don't pick their victims, it's random. My girlfriend and I lost our unborn around Christmas because of a congenital-related disorder called cloacal extrophy...its a horrible condition. But yea congrats on front page and thanks for all the information!
Jul 14, 2010 6:11pm
rspears01
Thanks for reading and the congratulations. I'm sorry to hear that your brother is suffering with such a condition. I can't imagine how scary that must be for him and the entire family. Birth defects are certainly random in the way they choose their victims, but one thing that is consistent is it is always a travesty that anyone is effected by these things. Maybe one day a cure or a prevention will be discovered to help your brother and so many others out there with birth defects.
Jul 15, 2010 9:28am
JustinMatmor
Despite medical advancements, there are still many birth defects that go undetected.Great article!
Jul 26, 2010 6:39am
Elez
Every women should know about this.No doubt, A great article.
thank you
Sep 13, 2010 7:14am
nana09
This comment has been deleted.
Sep 13, 2010 2:14pm
rspears01
nana09, stop spamming up the articles.
Sep 20, 2010 10:16pm
Deborah-Diane
I work with Special Education students. Many of their learning problems have been present since birth. It can be heart breaking to watch some of these kids struggle!
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