1. Turner’s Syndrome Background: Described in 1938 by Henry Turner
Cause isolated in 1960 (loss of one/part of one sex chromosome)
Physical Symptoms:
Short Stature (mean height < 5 feet)
Failure to develop secondary sex characteristics
Maldeveloped Ovaries (infertility; high risk of ovarian cancer)
Variety of medical problems: cardiovascular, kidney, pancreas, skeletal, thyroid: MARKED VARIABLE EXPRESSIVITY
Minor physical anomalies: webbed neck, low set ears, puffy hands and feet: MARKED VARIABLE EXPRESSIVITY
Behavioral Symptoms:
Normal intelligence
Normal personality (problems of self-esteem and body image that may be associated with physical anomalies)
Lowered spatial-visualization and quantitative reasoning
? Higher stereotypical feminine interests

4. Turner’s Syndrome Karyotype