Some men have periods of inadequate sexual desire (hypoactive sexual desire disorder).

Sexual arousal disorder: the inhibition of the general arousal aspect of sexual response. A woman with this disorder does not lubricate, her vagina does not swell, and the muscle that surrounds the outer third of the vagina does not tighten.

sexual aversion disorder

Common female sexual dysfunctions include:

1. Female sexual interest/arousal disorder, which is characterized by a lack of sexual desire or difficulty in becoming sexually aroused.
2. Female orgasmic disorder, where a woman has difficulty experiencing orgasm or is unable to orgasm.
3. Genito-pelvic pain/penetration disorder, which involves pain during sexual intercourse or difficulty with vaginal penetration.
4. Dyspareunia, which is recurrent or persistent genital pain before, during, or after sexual intercourse.

Sexual arousal disorder: the inhibition of the general arousal aspect of sexual response. A woman with this disorder does not lubricate, her vagina does not swell, and the muscle that surrounds the outer third of the vagina does not tighten.