[Sexual activity and sexually transmitted diseases in high school students in Rio Branco-Acre, Brazil].

This study was realized with 2.684 students of the high school in Rio Branco-Acre, Brazil, to verify aspects of the sexual activity and the occurrence of DST/AIDS. From the researched students, 48.9% had sexual intercourse, and the largest frequency was 34.3% for male sex, with the beginning at 13 years old, and for female sex 31.6%, with the beginning at 16 years old. The occurrence of mentioned DST/AIDS was: 58.4% for Hepatitis B, 39.4% for Monilíase and 2.2% for Gonorrhea. Among those ones who had their first sexual intercourse, 47.6% were with the boyfriend, 25.8% with the neighbor and 10.5% with the domestic maid. Concluding, the students who had sexual intercourse were 52.3% of private schools, 50.0% of federal ones, 45.7% of state ones and 41.8% of municipal ones.