| A | B |
| consistent disturbance in sexual desire, arousal, or orgasm that causes psychological distress and interpersonal difficulties | Sexual dysfunction |
| Active avoidance of genital sexual contact because of extreme anxiety, fear, or disgust | Sexual aversion disorder |
| Genital pain before, during, or after intercourse | Dyspareunia |
| Recurring delays or a complete absence of the ability to achieve orgasm through intercourse | Orgasmic disorder |
| Orgasm occurring before it is desired, often immediately or shortly after sexual stimulation or penetration | Premature ejaculation |
| Persistent, involuntary contractions or spasms of the vaginal muscles, which result in uncomfortable or painful intercourse | Vaginismus |
| Nontraditional sexual behavior where sexual gratification depends on an unusual experience, object, or fantasy | Paraphelia |
| Arousal from exposing one’s genitals to strangers | Exhibitionism |
| Arousal in response to inanimate objects (shoes, leather) | Fetishism |
| Arousal from touching or rubbing against a non consenting person, such as in a bus or subway | Frotteurism |
| In heterosexual males, sexual arousal from cross-dressing in women’s clothes | Transvestic fetishism |
| Sexual fantasies, urges, or behavior involving sexual activity with a prepubescent child | Pedophilia |
| Sexual arousal from observing an unsuspecting person who is disrobing, naked, or engaged in sexual activity | Voyeurism |
| Intentionally inflicting psychological or physical suffering on another person | Sexual sadism |
| Response to actually being humiliated, beaten, bound, or otherwise made to suffer. | Sexual masochism |
| Persistent discomfort about one’s physical gender along with the desire to be a member of the opposite sex | Gender Identity Disorder |
| Any of several infectious diseases transmitted through sexual intercourse or other sexual contact | Sexually Transmitted Disease |
| When the virus becomes active, it selectively attacks a key component of the body’s immune system: the helper T cells | HIV |