Anestrus: A state of sexual inactivity in female animals exhibiting no ESTROUS CYCLE. Causes of anestrus include pregnancy, presence of offspring, season, stress, and pathology.

Terms Related to Anestrus

• Estrous Cycle

  The period of cyclic physiological and behavior changes in non-primate female mammals that exhibit ESTRUS. The estrous cycle generally consists of 4 or 5 distinct ...

• Estrus

  The period in the ESTROUS CYCLE associated with maximum sexual receptivity and fertility in non-primate female mammals.

• Diestrus

  A phase of the ESTROUS CYCLES that follows METESTRUS. Diestrus is a period of sexual quiescence separating phases of ESTRUS in polyestrous animals.

• Premarital Pregnancy

  The state of birth outside of wedlock. It may refer to the offspring or the parents.

• Sexual Aversion Disorders

  Disturbances in sexual desire and the psychophysiologic changes that characterize the sexual response cycle and cause marked distress and interpersonal difficulty. (APA, DSM-IV, 1994)

• Intersexuality

  Originally, a state characterized by the presence of both male and female sex organs. In humans, true hermaphroditism is caused by anomalous differentiation of the ...

• Hypoactive Sexual Desire Disorder

  Disturbances in sexual desire and the psychophysiologic changes that characterize the sexual response cycle and cause marked distress and interpersonal difficulty. (APA, DSM-IV, 1994)

• Multiple Birth Offspring

  The offspring in multiple pregnancies (PREGNANCY, MULTIPLE): TWINS; TRIPLETS; QUADRUPLETS; QUINTUPLETS; etc.

• Estrogen

  A class of sex hormones associated with the development and maintenance of secondary female sex characteristics and control of the cyclical changes in the reproductive ...

• Frigidity

  Disturbances in sexual desire and the psychophysiologic changes that characterize the sexual response cycle and cause marked distress and interpersonal difficulty. (APA, DSM-IV, 1994)