词条 | Disorders of sex development |
释义 |
| name = Disorders of sex development | synonyms = Disorders of sex differentiation, differences of sex development[1] | image = | caption = | pronounce = | field = Medical genetics | symptoms = | complications = | onset = | duration = | types = | causes = | risks = | diagnosis = | differential = | prevention = | treatment = | medication = | prognosis = | frequency = | deaths = }}{{Intersex sidebar|medicine}} Disorders of sex development (DSD) are medical conditions involving the reproductive system. More specifically, these terms refer to "congenital conditions in which development of chromosomal, gonadal, or anatomical sex is atypical."[2] ("Congenital" means acquired before birth.) The term has been controversial, and research has shown that affected people experience a negative impact, with the terminology impacting choice and utilization of health care providers.[3] The World Health Organization and many medical journals still reference DSDs as intersex traits or conditions.[3] The Council of Europe,[5] and Inter-American Commission on Human Rights[6] have called for a review of medical classifications that unnecessarily medicalize intersex traits.[5][6][9] Overview{{Medref|section|date=August 2017}}DSDs are medical conditions involving the way the reproductive system develops from infancy (and before birth) through young adulthood. There are several types of DSDs and their effect on the external and internal reproductive organs varies greatly. A frequently-used social and medical adjective for people with DSDs is "intersex".[4] Parents with DSD children and clinicians involved in DSD treatment usually try to make clear distinctions between biological sex, social gender, and sexual orientation. This helps reduce confusion about the differences between being intersex, being transgender, and being gay/lesbian. The most common DSD is congenital adrenal hyperplasia (CAH), which results in a person with female (XX) chromosomes having genitals that look somewhat masculine. In mild cases, CAH results in a slightly enlarged clitoris, while in more severe cases it can be difficult to decide on observation whether a baby is male or female (ambiguous genitalia). CAH is caused by a problem with the adrenal glands and is usually treated by taking a daily medication to replace or supplement the missing adrenal hormones. (When this adrenal problem occurs in people with male (XY) chromosomes, the result is over-masculinization and premature puberty). Another common DSD is androgen insensitivity syndrome (AIS), also known as testicular feminising syndrome in which a person with male (XY) chromosomes does not respond to testosterone in the usual way. This results in a body that to some degree has a feminine appearance. In complete androgen insensitivity syndrome (CAIS) the result is a totally feminine appearance, including typical female breast development. Consequently, most young women with CAIS are unaware of their condition until the early teen years when they fail to menstruate. In the milder form, called partial androgen insensitivity syndrome (PAIS), the genitals can vary from mostly female to almost completely male. Some people with PAIS think of themselves as women or girls, others regard themselves as men or boys, and some consider themselves nonbinary. One of the more uncommon DSDs is 5-alpha-reductase deficiency (5ARD). It is caused by a shortage early in life of an enzyme that converts testosterone into DHT. DHT is required for the development of extrenal male genitilia. Therefore, in this condition, a person with male (XY) chromosomes has a body that appears female before puberty. After puberty begins, other testosterone-activating enzymes become available and the body soon takes on a masculine appearance, with the scrotum and penis usually reaching typical or nearly-typical size. If 5ARD is diagnosed at a young age, the child is often raised as a boy (a 1996 Brazilian study suggested that the majority of adults with this condition consider themselves men[5] but this has been questioned in some more recent research). In addition to CAH, CAIS, PAIS, and 5ARD there are several rarer types of DSDs, and in some cases, it is not possible to make a clear diagnosis of the underlying condition. The penis (males) and clitoris (females) are essentially the same organ (differing only in size, and generically called the phallus). In typical males, the urethra is located at the tip of the penis, while in typical females the urethra is located below the base of the clitoris. When the phallus is of intermediate size, it is possible also to have a urethral opening located along the shaft; this condition is known as hypospadias which helps us raise a suspicion of DSD. Open-minded parenting, appropriate and conservative medical intervention, and age-appropriate child involvement in the treatment plan contribute greatly to successful outcomes for the entire range of DSDs.[6] Conditions
Controversy{{further|Intersex human rights|Intersex medical interventions}}The term DSD (and particularly its association with medical disorders) has been controversial. The argument over terminology reflects a deeper disagreement over the extent to which intersex conditions require medical intervention, the appropriateness of certain interventions, and whether physicians and parents should make irreversible treatment decisions on behalf of young children if the condition is not life-threatening.
The 2006 Consensus statement on management of intersex disorders stated that evidence for early surgery for cosmetic reasons is lacking, outcomes include "decreased sexual sensitivity" and long term outcome data is absent.[2] A 2016 Global Disorders of Sex Development Update since 2006 states that there is "still no consensual attitude regarding indications, timing, procedure and evaluation of outcome of DSD surgery" and "no evidence regarding the impact of surgically treated or non-treated DSDs during childhood for the individual, the parents, society or the risk of stigmatization".[34] In 2013, Juan E. Méndez, the United Nations Special Rapporteur on torture and other cruel, inhuman or degrading treatment or punishment, condemned "irreversible sex assignment, involuntary sterilization, involuntary genital normalizing surgery, performed without their informed consent, or that of their parents, “in an attempt to fix their sex”" stating that "members of sexual minorities are disproportionately subjected to torture and other forms of ill-treatment because they fail to conform to socially constructed gender expectations".[35] In May 2014, the World Health Organization issued a joint statement on Eliminating forced, coercive and otherwise involuntary sterilization, An interagency statement with the OHCHR, UN Women, UNAIDS, UNDP, UNFPA and UNICEF. Referencing the involuntary surgical "sex-normalising or other procedures" on "intersex persons", the report recommends a range of guiding principles for medical treatment, including ensuring patient autonomy in decision-making, ensuring non-discrimination, accountability and access to remedies.[36] During 2015, the Council of Europe,[5] and Inter-American Commission on Human Rights[6] called for a review of medical classifications that unnecessarily medicalize intersex traits[37][38][39] an end to medical interventions without consent, and improved disclosure. The Council of Europe's Human Rights Commissioner recommended: {{quotation|National and international medical classifications which pathologise variations in sex characteristics should be reviewed with a view to eliminating obstacles to the effective enjoyment, by intersex persons, of human rights, including the right to the highest attainable standard of health.[37]}}The European Union Agency for Fundamental Rights[39] and UN Treaty Bodies have called for informed consent by individuals subjected to medical treatment, improved disclosure, and access to redress.[40][41] See also
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4 : Biology of gender|Intersex|Congenital disorders of genital organs|Intersex and medicine |
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