The question is, do you think at age 14 you are really ready for this?' Halpern-Felsher tells WebMD. 'Yes, risks are less likely to occur with oral sex. And some sexually transmitted diseases, sexually transmitted diseases, such as AIDS, are harder to get from oral sex than from vaginal sex.īut Halpern-Felsher says the survey shows that many teens don't fully appreciate the very real risks of engaging in oral sex. Oral sex, by itself, carries no risk of unwanted pregnancy. Halpern-Felsher, PhD, of the University of California, San Francisco. The young teens say oral sex is a safer, more acceptable alternative to vaginal sex. But the numbers are in line with - and even a bit lower than - larger studies of American teens' sexual behavior. The data, while carefully collected, comes from 580 ninth-grade boys and girls at two California schools. Ap- Nearly a third of 14-year-olds plan oral sex within six months - and nearly 20% say they've already tried oral sex, a California survey shows.