[Sexual intercourse among students in Matoto, Conakry, Guinea].

Introduction: The purpose of this study is to analyze the factors associated with sexual practices among adolescent students in Matoto, Conakry.

Methods: We conducted a cross-sectional, descriptive and analytical study of students aged 10-19 years attending colleges and high schools in Matoto, Conakry over a period of 3 months (1 March -31 May 2018).

Results: Out of 500 students surveyed, 226 (162 girls and 64 boys; 45.2%) reported having sexual intercourse. Condom was used by 16.4% of students and contraceptives by 35.4%. The rate of sexually transmitted infections was 23.5%. Among girls who had sexual intercourse, 32.1% had had at least one unintended pregnancy ending in clandestine abortion in 30.8% of cases. The factor associated with sexual practices among adolescents was night life (p = 0.000).

Conclusion: Sexual intercourse is frequent among adolescent students in Matoto. Condom and contraceptives are little used. In our study, night life was the principal factor associated with sexual practice.