It’s natural for a man to wonder how his penis “measures up” to those of his peers.

HPV stands for human papillomavirus, a term that refers to over 150 types of viruses. Some types of HPV cause genital warts and other types can cause cancer, including anal, penile, cervical, vaginal, and vulvar cancers. Oral cancers can be caused by HPV infection, too.

New relationships can be exciting, but if you haven’t had sex in a while, you might feel a bit apprehensive about the “first time” with your new partner. The following slides offer some points to consider.

Sometimes, people feel some minor discomfort in their genitals if they have been sexually aroused for a significant period of time but haven’t reached orgasm. This aching, heavy feeling is often referred to with the slang terms blue balls (for people with penises) and blue vulva (for people with vaginas).

Every woman is different, and the time it takes for a woman to reach orgasm can depend on her situation.

For many men, penis size is important, as it represents their masculinity and virility. Sometimes, the terms grower and shower are used to describe what happens to a penis length as it goes from a flaccid to an erect state.

The lack of a morning erection isn’t necessarily a concern. Sometimes, men wake up at different points in a sleep cycle, when an erection isn’t occurring.