A mother has come to the clinic with her 13-year-old daughter to find out why she has not started her menses. After a thorough examination and history, genetic testing is prescribed to rule out which abnormality?

Turner syndrome

Explanation:

It A chromosomal disorder in which a female is born with only one X chromosome

Turner syndrome results from a missing or incomplete sex chromosome.

Turner syndrome can cause a variety of medical and developmental problems, including short height, failure of the ovaries to develop and heart defects.

About 2-5% of individuals with Turner syndrome have spontaneous periods and have the potential to achieve pregnancy without medical intervention. However, many affected women have absent or decreased ovarian function and need hormone therapy to achieve their period.

Turner Syndrome.

Explanation:

This was tested for because individual with Turner S, can not menstruate, and   do not exhibits manifestations of female reproductive characteristics without hormone treatments. or procreate without assisted reproductive technology(IVF,ICI) etc. Thus the nurse wanted to be rest assured that the failure of onset of menses was not due to  this,

Turner syndrome is a congenital  condition in  females in which one of the pair of X-chromosomes is missing.Therefore the individual has 45 instead of the normal 46-chromosomes of 23 pair. It is not heritable.

Short stature, web-neck, low set-ears, absence of menses, dropping eye-lids., are few characteristics features,

Growth hormone injection, and hormone transplants are used to ameliorate this,