Jacobs syndrome

Jacobs syndrome:

Jacobs syndrome: Introduction

A rare chromosomal genetic syndrome where the male person has an extra Y male chromosome, becoming XYY instead of normal XY (male) or XX (female). The person is male and may be mostly normal, or may suffer from minor features from excess male hormones, such as excess acne being very tall, and in some cases behavioral complaints such as aggression. ...more »

Symptoms of Jacobs syndrome

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Wrongly Diagnosed with Jacobs syndrome?

Failure to diagnose Jacobs syndrome
Hidden causes of Jacobs syndrome (possibly wrongly diagnosed)
Undiagnosed: Jacobs syndrome

Jacobs syndrome: Related Patient Stories

Jacobs syndrome: Complications

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Causes of Jacobs syndrome

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Disease Topics Related To Jacobs syndrome

Research the causes of these diseases that are similar to, or related to, Jacobs syndrome:

Extra Y chromosome
Learning problems at school
Delayed emotional maturity
Klinefelter's syndrome
more related diseases...»

Less Common Symptoms of Jacobs syndrome

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Statistics for Jacobs syndrome

Jacobs syndrome: Broader Related Topics

Types of Jacobs syndrome

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Definitions of Jacobs syndrome:

Jacobs syndrome is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Jacobs syndrome, or a subtype of Jacobs syndrome, affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)

Ophanet, a consortium of European partners, currently defines a condition rare when it affects 1 person per 2,000. They list Jacobs syndrome as a "rare disease".
Source - Orphanet

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