happiness and mental health in pre-operative and post-operative transsexual people

Background: sex is one of the major social classes in any society. gender identity as the most fundamental element of human life from beginning to end. while most people with behavior and attitudes appropriate to their physiological gender, but among them are also those sexual behaviors with their physical sex does not match, that say to this group transsexual people. the aim of this study was to investigate happiness and mental health in transsexual individuals before surgery and after surgery. methods: this quasi-experimental study, consisted of 42 patients before surgery and after surgery inside iran in 2016-2017. snowball sampling method was selected. the instrument was oxford happiness questionnaire (ohq) and symptom check list (scl25). data were analyzed using spss, t-test independent groups and one-way anova. results: there was significant difference between transsexual individuals before surgery and after surgery in mean score of happiness (p<0.01) (t=-4/84). moreover, there was significant difference between the two groups in mean score of mental health (p<0.01) (f=19/13). conclusion: transsexual individuals after surgery experienced more happiness and mental health than those before surgery.