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While there are some general signs used to identify gender dysphoria, it's not cut-and-dry, and everyone experiences it differently. Some people identify their true gender in early childhood, whereas others don't recognize it until puberty or adulthood. Some people experience severe and distressing dysphoria, while others experience it minimally or not at all. There's no one "right" way for someone to experience dysphoria, so gender dysphoria can be difficult to identify, and it may take time to figure it out.  Gender dysphoria can exist in anyone who's not cisgender, including nonbinary people.  If you're trying to determine whether you're experiencing gender dysphoria, you may find it beneficial to look at forums and social media sites for transgender and nonbinary people, read various people's experiences to see if you relate to them, and read articles such as How to Know if You Are Transgender. . It's not unusual for children to experiment with gender, such as by wanting to be called by another name during play. However, if a child consistently asserts that they are a gender other than the one they were assigned, or resists behavior or presentation associated with the gender they don't identify with, they may have gender dysphoria. Signs of gender dysphoria or gender variance in a child include:  A repeated desire to be the other sex or an assertion that they are the other sex A belief that their assigned sex will change on its own (e.g. thinking they'll grow a penis or that their penis will come off when they get older) Wanting to change their name to a name typically associated with another gender, or a gender-neutral name A preference for presenting as another gender (e.g. a child assigned male at birth who prefers long hair and wearing dresses, or a child assigned female at birth who prefers short hair and wearing gender-neutral clothing) Resistance or distress when made to present as a gender they don't identify with (such as a "girl" throwing a tantrum over having to wear a dress or a "boy" crying after having to get a haircut) Assuming the role of another gender in fantasy games or make-believe An intense desire to participate in the games and activities typical of another gender (such as an assigned-male child playing with Barbie and an assigned-female child playing contact sports) A preference for playmates of another gender Gender dysphoria often becomes more apparent during puberty, since hormonal changes and physical changes are occurring, and a preteen or teen who previously didn't question their gender identity may suddenly feel confused or distressed about the changes. Signs of gender dysphoria in adolescence include:  Feelings of panic or severe discomfort concerning puberty and bodily changes (e.g. refusing to acknowledge or admit changes are occurring, refusing to look at their body, or becoming distressed or uncomfortable with body development, menstruation, or ejaculation) Discomfort or distress with certain forms of gender presentation, such as disliking long hair or certain types of clothing Increased bullying at school due to differences in acting out one’s perceived gender or lack of self-confidence Isolation from peers due to lack of connection or fear of bullying Depression and/or anxiety as a result of confusion over gender identity or not fitting in with peers Be aware that some adolescents may try to repress their true gender due to outside pressure, such as from family and peers, even if they previously expressed their true gender as a child. Often, gender dysphoria remains hidden or unrecognized until adulthood due to the learned gender behaviors that are taught to both children and adolescents by their family and peers. Some signs of gender dysphoria in adults include:  A difference between the sex at birth and the gender the individual expresses or experiences Consistently identifying with a gender other than the one matching the sex they were assigned (for an official diagnosis of gender dysphoria, this must have been ongoing for at least six months) Constant daydreaming or "what if..." thoughts about being another gender Wanting to be treated as another gender, or disliking being treated as the gender others perceive them as (e.g. being uncomfortable when addressed as "sir" or "ma'am") Wanting to remove, alter, or hide their sex characteristics (however, this is not present in all transgender or nonbinary people) The individual may feel that they act in ways typical of another gender. If gender dysphoria has been deeply repressed or buried, it may have resulted in mental health problems. Take note of any history of anxiety or depression, self-injurious behavior, or substance abuse, and whether these problems lessen or even disappear when they present as their true gender; these can be subtle indicators of dysphoria. Gender dysphoria can be difficult to identify, and some people don't experience it; however, many transgender or nonbinary people experience gender euphoria, which is described as positive feelings when their true gender is affirmed and validated. Even if the person doesn't feel their assigned sex is wrong, they may feel that presenting as a different gender is right, instead. Some signs of gender euphoria are:  Feeling happy or excited when addressed as their true gender Feeling relieved after identifying their gender Joy or excitement when presenting in a way that aligns with their gender (e.g. wearing a bra or cutting their hair short) A feeling of peace with their body when transitioning socially or medically

Summary:
Understand that gender dysphoria varies among people. Recognize childhood signs Identify signs in adolescence. Recognize signs in adulthood. Take note of gender euphoria, too.