In rare cases infants with hypospadias occurring closer to the body and who also have undescended testicles, a karyotype or genetic screen may be performed to determine gender.
A special type of blood test called a karyotype may be done to analyze the girl's chromosomes if the doctor suspects Turner's syndrome or another genetic disorder.
Karyotype: a test that performs a chromosomal analysis from a blood test, used to determine whether the hypotonia is the result of a genetic disorder.
The final result of such testing, with the photographed chromosomes paired and organized by shape and size, is called the individual's karyotype.
Both amniocentesis and CVS allow the baby's own karyotype to be determined.