Though commonly referred to as the vagina, this is the proper name for external female sex organs.

This STI causes pain during urination for both males and females. It is estimated over one million women are currently infected with this.

The appropriate term for the folds of skin on a women's genitals.

This male genital piercing goes through the frenulum and the urethra.

This barrier method of contraception can help reduce the rates of STI transmission as well as prevent pregnancy.

This erogenous zone is located inside the vagina on the anterior (front) wall.

This STI is very similar to gonorrhea in the way it is spread and the symptoms it produces. It is common and affects approximately 4 million women annually.

The term for oral stimulation of the penis.

This part of the male anatomy is cut and tied off during a vasectomy.

This type of pill prevents pregnancy and does not cause an abortion; rather, it prevents fertilization of an egg to halt pregnancy.

This fatty area on women protects the pubic bone during intercourse.

This STI is formed by the spirochete organism which is wormlike, spiral-shaped and wiggles vigorously when viewed under a microscope. It infects the person by burrowing into the moist, mucous-covered lining of the mouth or genitals. There are three stages

This term describes people who have biological characteristics of both the male and female sexes.

The length of the average adult male penis when erect is this many inches.

This method of birth control, available for both men and women, is permanent.

This female genital piercing goes through the fold of skin surrounding the clitoris.

This virus causes blistering, rashes, and sores on the genitals, mouth or anus. There is no treatment.

The term for the colored skin around the nipple.

This Greek fertility god (Roman: Mutinus Mutunus) was known for his enormous, always erect penis.

This method of birth control is inserted into the vagina and replaced once per month.

Women can "work out" these muscles by doing Kegel exercises.

This STI causes small bumps or a rash to form on the genitals, mouth, and possibly within the anus.

The term for uncontrollable or excessive sexual desire in a woman.

The human penis does not have this feature, making it different from all other mammals.

The percentage of women aged 15-44 in the US who are not using any contraceptive method during sex.