People with chlamydia should not have sex until 7 days after they and their sex partners receive and complete treatment.
A separate survey conducted during 2011 to 2015 found that 41% of teenagers aged 15-19 years reported having oral sex with a partner of the opposite sex. More than 85% of sexually active adults aged 18-44 years reported having oral sex at least once with a partner of the opposite sex. Oral sex is commonly practiced by sexually active adults. Types of oral sex include the penis (fellatio), vagina (cunnilingus), and anus (anilingus). Oral sex involves using the mouth to stimulate the genitals or genital area of a sex partner.