Adolescence is characterized by significant biological and psychological changes. During this time, the increased production of androgens leads to increased sexual behavior, and this may contribute to early initiation of sexual activity. The objectives of the present cross-sectional study of adolescents enrolled in state schools in the city of Ribeirão Preto, state of São Paulo, Brazil, were to determine the average age at the first sexual intercourse (sexarche), the average number of sexual partners, and the frequency of contraceptive and condom use. Information on the age at sexarche, number of sexual partners, use of different contraceptive methods, and use of condoms were obtained using a semistructured questionnaire. Quantitative variables are expressed as means and standard deviations (SDs), and qualitative variables as absolute and relative frequencies. The chi-squared test was used for comparisons of qualitative variables, and the Student t-test for comparisons of continuous variables. All statistical analyses were performed using SAS (version 9.4, North Carolina State University, USA). We evaluated 202 students who answered the questionnaire, 69 males (36.36%) and 133 females (63.64%). The age at sexarche for men ranged from 7 to 18 years old, and for women from 7 to 17 years old. Forty-eight girls (36.01%) and 21 boys (30.43%) were in the first year of high school, 66.94% of adolescents reported sexual intercourse, and 56.25% used a condom during the first sexual intercourse. A total of 36.72% of students said they had safe sex most of the time, and 83.59% said that the first sexual intercourse happened because they “had a crush on” the other person.

A transgender person has a gender identity opposite to the sex assigned at birth. Transgender individuals may have altered sexual function (SF) due to psychosocial factors related to body image distortion, shame, and dissatisfaction with genital appearance, and these conditions can increase the risk of sexual dysfunction. This study aimed to characterize the SF of trans‐women after gender affirming surgery (GAS). We reviewed the Pubmed database for studies published between January 2008 and December 2021. 17 studies were included, four were cross‐sectional studies, one prospective study, four prospective cohort studies, five retrospective studies. The instruments used to evaluate the SF were female sexual function index, semistructured questionnaires, patients' opinion, Sexual Desire Inventory, Maudsley Marital Questionnaire‐S, WHOQOL‐100. The results of our review indicate there is weak evidence that GAS improves the SF of trans‐women. We thus recommend that future studies use questionnaires that are validated for the assessment of the SF of trans‐women to better determine the impact of genital surgery in this population.

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There is a gap in the knowledge of the sexual function of transgender people. This study aimed to evaluate the sexual function in this population. A sample of transgender (trans) people from the Gender Incongruence Clinic was invited to participate in this cross-sectional study. All those that accepted to participate had gender incongruence (GI). The female sexual function index (FSFI) and male sexual function index (MSFI) were used to assess Sexual Function (SF) in both female (n=38), and male (n=48) participants. In addition, participants responded to a semi-structured questionnaire to assess their feelings towards their trans condition, and about their satisfaction within their sexual life. Clinical data was assessed from medical records.Relative to trans-women, trans-men had a higher total FSFI score, and higher scores in the FSFI domains of arousal, lubrication, orgasm, and satisfaction (all P < 0.01). The trans-men also had a higher total MSFI score, and higher scores in the MFSI domains of arousal, erection, orgasm, and satisfaction (all P < 0.01). A separate semi-structured evaluation indicated that more than half of the trans-men and almost half of the trans-women were satisfied or very satisfied with their sexual life.