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What is the outlook for babies with trisomy 18?

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Because trisomy 18 causes such serious physical defects, many babies with the condition don't survive to birth. About half of babies who are carried full-term are stillborn. Boys with trisomy 18 are more likely to be stillborn than girls. Of those babies who do survive, less than 10% live to reach their first birthday. Children who do live past that milestone often have severe health problems that require a large amount of care. Only a very small number of people with this condition live into their 20s or 30s.

From: What Is Trisomy 18? WebMD Medical Reference

SOURCES:

March of Dimes: "Birth Defects."

Trisomy 18 Foundation: "What is Trisomy 18?" 

NIH Genetics Home Reference: "Trisomy 18."

Merck Manual Professional : "Trisomy 18."

Lucille Packard Children's Hospital at Stanford: "Trisomy 18 and 13."

Rumack, Carol M. . Mosby Elsevier, 2011. Diagnostic Ultrasound, 4th ed

Reviewed by Dan Brennan on July 19, 2019

SOURCES:

March of Dimes: "Birth Defects."

Trisomy 18 Foundation: "What is Trisomy 18?" 

NIH Genetics Home Reference: "Trisomy 18."

Merck Manual Professional : "Trisomy 18."

Lucille Packard Children's Hospital at Stanford: "Trisomy 18 and 13."

Rumack, Carol M. . Mosby Elsevier, 2011. Diagnostic Ultrasound, 4th ed

Reviewed by Dan Brennan on July 19, 2019

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

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