Sex replacement surgery refers to the medical technology that makes the physiological sex of the surgical object conform to its gender identity (formerly called psychological sex) through surgical means (tissue transplantation and organ reconstruction), that is, cutting off the original reproductive organs, reconstructing the external reproductive organs and the matching patients' secondary sexual characteristics. Sex change surgery has a history of 100 years. Generally speaking, transsexual surgery targets transsexuals and intersex people. According to the needs of patients, it can be divided into three types: male to female, female to male and bisexual. These three types of sex replacement surgery all contain a series of different surgical items.
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