A survey on the sexual behavior of adolescents in South Korea: The third survey in 2007

Results: 78,834 students were surveyed and 74,698 (94.8%) students responded the survey. 35,232 (47.2%) of respondents were male students and 39,466 (52.8%) of respondents were female students. 38,820 (52.0%) of respondents were middle school students, 25,051 (33.5%) of respondents were high school students and 10,827 (14.5%) of respondents were technical high school students. 5.2% of respondents experienced sexual intercourse. The average age of the first sexual intercourse was 14.2 years old. 1.0% of respondents had a sexual intercourse before they enter the middle school. The pregnancy rate was 0.3%. Among respondents who experienced sexual intercourse, the rate of the use of contraceptive methods was 38.2%. The rate of using inappropriate contraceptive methods was 21.6%. The average age of a first wet dream for boys was 13.2 years old. The average age of menarche for girls was 12.4 year old. The rate of respondents who had a sex education was 72.2%. Conclusion: The average age of the first wet dream and menarche had been decreased. The average age of the first sex experience among adolescents had been decreased. The rate of adolescents who experienced a sexual intercourse was increased. However, the rate of using reliable contraceptive methods was very low. Therefore, adequate sex educations including effective contraceptive methods needs to be conducted to prevent unwanted pregnancy of adolescents.