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What are the most common sex chromosome disorders?

3 doctors weighed in
Dr. George Klauber
Pediatrics - Urology
2 doctors agree

In brief: Kliefelter & Turner

Most common is klinefelter's syndrome 47 XXY (male) next most common is turner syndrome 45 xo (female), following are all much less common:- triple x 47 xxx, hermaprodite 46 xx/xy mixed gonadal dysgenesis, 47 xyy & 48 xxyy syndromes.
Hermaphroditism can also occur in 46 xx individuals with a fragment of a y chromosome.

In brief: Kliefelter & Turner

Most common is klinefelter's syndrome 47 XXY (male) next most common is turner syndrome 45 xo (female), following are all much less common:- triple x 47 xxx, hermaprodite 46 xx/xy mixed gonadal dysgenesis, 47 xyy & 48 xxyy syndromes.
Hermaphroditism can also occur in 46 xx individuals with a fragment of a y chromosome.
Dr. George Klauber
Dr. George Klauber
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