Genital herpes is classified as a sexually transmitted infection. Boys who are victims of sexually predatory teenage girls can also be devastated. Males compete for access to sexually receptive females. Sex differences generally refer to traits that are sexually dimorphic. The average age of sexually assaulted victims is 16 years old. Nor is the meaning of the word confined to sexually exploited males. There is no stereotypical profile of sexually violent persons. Spermatozoa are the mature male gametes in many sexually reproducing organisms. About 1% of sexually active adults have genital warts. One in four sexually active teenagers will contract an STI. Reproductive rights may also be understood to include education about contraception and sexually transmitted infections. He was afraid of contracting a sexually transmitted infection. There was a marked difference in hair acceptable for preadolescent girls and sexually mature women. This was not Brown's first publication dealing with sexually liberated women. It is possible to be an asymptomatic carrier of sexually transmitted diseases.