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This is an accepted version of this page This is the latest accepted revision, reviewed on 24 February 2025. Atypical congenital variations of sex characteristics This article is about intersex in humans. For intersex in other animals, see Intersex (biology). Not to be confused with Hermaphrodite. Intersex topics Human rights and legal issues Compulsory sterilization Discrimination Human ...
Sometimes, ambiguous genitalia could occur, where the clear distinction of external genitalia is absent in both male and female. Hence, examination (typically at birth) is carried out where the sex of the patient will be determined through imaging and blood tests . [ 4 ]
Various criteria have been offered for the definition of intersex, including ambiguous genitalia, atypical genitalia, and differential sexual development. Ambiguous genitalia occurs in roughly 0.05% of all births, usually caused by masculinization or feminization during pregnancy, these conditions range from full androgen insensitivity syndrome to ovotesticular syndrome.
Partial androgen insensitivity syndrome results in ambiguous genitalia and there is no consensus regarding whether to raise a child with this form as male or female. Complete androgen insensitivity syndrome causes a genetic male to have a vagina (often incompletely developed, nearly always blind-ending), breasts, and a clitoris; people with ...
In other words, there is a point in time where the fetus exists without male or female genitalia. Eventually, due to the release of hormones in one part of the fetus and the recognition of these hormones in another, the fetus either develops male genitalia or female genitalia. This process occurs roughly a month and a half after conception, and ...
Clitoromegaly is a rare condition and can be either present by birth or acquired later in life. If present at birth, congenital adrenal hyperplasia can be one of the causes, since in this condition the adrenal gland of the female fetus produces additional androgens and the newborn baby has ambiguous genitalia which are not clearly male or female.
Aromatase deficiency is a rare condition characterized by extremely low levels or complete absence of the enzyme aromatase activity in the body. [2] It is an autosomal recessive disease resulting from various mutations of gene CYP19 (P450arom) which can lead to ambiguous genitalia and delayed puberty in females, continued linear growth into adulthood and osteoporosis in males and virilization ...
In infants with XY genotype it causes an intersex condition as a result of gonadal dysgenesis. Although males with Frasier syndrome have the typical male chromosome pattern (46,XY), they have gonadal dysgenesis, in which external genitalia may not look clearly male or clearly female (ambiguous genitalia) or the genitalia appear completely female.