A-Z topics

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  • Pap screening

    The Pap test is an important screening test that looks for changes in the cells of the cervix that can lead to cervical cancer. Cervical cancer is serious, but it usually develops slowly. If found and treated early, the chance of curing cervical cancer is very high. Cervical cancer is usually caused by a few types of Human Papillomavrus (HPV). The HPV strains that cause bumpy genital warts that you can see do not cause cervical cancer.

  • Partner notification

    If you have an STI, it is important that your sexual partners get tested and treated. Anyone you have had oral, anal, or genital sex with may have the same STI. They may unknowingly pass it on to another person, or it can develop into more serious health problems if left untreated.

  • Pelvic Inflammatory Disease (PID)

    Pelvic inflammatory disease (PID) is an infection of the upper genital tract, including the uterus, fallopian tubes, and ovaries. It happens when infections travel up from the vagina or internal genitals through the cervix.

  • Penis size

    Penis size has been a concern for many people throughout history. It is often associated with strength and masculinity, and can ultimately affect self-esteem. It is common for people with a penis to worry about the size of their penis. Another common worry is that penis size will affect the amount of sexual pleasure a person can give their partner(s).

  • Post-Exposure Prophylaxis (PEP)

    Post-exposure prophylaxis (PEP) is a 4-week course of medications that you can take if you are HIV negative and think that you have been recently exposed to HIV. The medications are called antiretroviral drugs (or HAART), and are the same drugs used to treat HIV infection.

  • Pre-Exposure Prophylaxis (PrEP)

    Pre-exposure prophylaxis (PrEP) involves the use of a daily (or on-demand) oral HIV medication (called antiretrovirals or HAART) by people who are HIV-negative to prevent HIV infection.

  • Pregnancy

    If you think you may be pregnant, the only way to really know is to get a pregnancy test. Many pregnancy tests will be accurate at the time your period is due. If a pregnancy test is done too early, it may not be accurate because the test cannot detect the change in hormones yet. The test may need to be repeated with an early morning urine sample or a few days later to be certain.

  • Proctitis

    Proctitis is an inflammation of the lining of the rectum. It has many causes, but sexually transmitted infections (STIs) are the most common. Although proctitis is more common if you are having sex, it is possible to get it even if you have never had sex. Proctitis can often be cured with antibiotics.

  • Pubic hair

    Pubic hair grows on and around the genital area of teens and adults, including over the pubic bone, the labia, the base of the penis, the scrotum and the upper inner thighs.

  • Pubic lice or crabs

    Pubic lice (often called "crabs") are parasites that live on body hair, usually in the genital area. Occasionally they are found on hair on the legs, armpits, mustache, beard, eyebrows, or eyelashes. Pubic lice can be treated with a special shampoo.