There is no Barr body in Turners …” That is correct. There is no Barr body in Turners because they only have one X. So instead of being XX female or XY male, Turner individuals are just X (typically denoted “XO” to show the absence of the second sex chromosome).

0 Barr bodies

People with Turner syndrome have only one X chromosome present and fully functional. This is sometimes referred to as 45,XO or 45,X karyotype. In a person with Turner Syndrome, female sex characteristics are usually present but underdeveloped compared to the typical female.

Other names for Turner’s syndrome include monosomy X, 45X and Ullrich-Turner syndrome.

What is the long-term outlook for people with Turner syndrome? The long-term outlook ( prognosis ) for people with Turner syndrome is typically good. Life expectancy is slightly shorter than average but may be improved by addressing and treating associated chronic illnesses, such as obesity and hypertension .

What Problems Can Happen? Girls who have Turner syndrome don’t have typical ovarian development. So they usually won’t develop all of the secondary sexual characteristics (the physical changes that usually happen in puberty) and are infertile (can’t become pregnant) as adults.

There’s no cure for Turner syndrome but many of the associated symptoms can be treated. Girls and women with Turner syndrome will need to have their heart, kidneys and reproductive system checked regularly throughout their lives. However, it’s usually possible to lead a relatively normal and healthy life.

Lymphoedema causes many of the other features. There are a number of skin conditions commonly seen in patients with Turner syndrome. The approved gene symbol for Turner syndrome is TNR1.