Dictionary > Polymenorrhoea

Polymenorrhoea

Definition
noun
A menstrual cycle disorder experienced by certain women, and is characterized by menstrual cycles with intervals of 21 days or fewer
Supplement
Menstruation is the recurring discharge of blood, cervical mucus, vaginal secretions, and endometrial tissue of a nonpregnant females of humans and other animals (e.g. certain primates, shrews, and bats.1 There are instances though when menstrual period is different from the norm. For instance, polymenorrhoea, oligomenorrhoea, and amenorrhoea are menstrual disorders that are characterized by the disorders of the menstrual cycle length. Polymenorrhoea is the term used to refer to a menstrual cycle disorder wherein the cycles have intervals of 21 days or fewer. In women, the normal interval length (i.e. between the first day of a menstrual period and the first day of the next) is 21 to 45 days in young women, and 21 to 31 days in adults (an average of 28 days).2 In contrast, the menstrual cycle disorder, oligomenorrhoea, pertains to infrequent periods, i.e. intervals exceeding 35 days.
Variant(s):

  • polymenorrhea (US spelling)

See also:

  • menstruation
  • menstrual cycle
  • hypermenorrhea
  • hypomenorrhea
  • oligomenorrhea
  • amenorrhoea
  • Reference(s):

    1 Lopez, K. H. (2013). Human Reproductive Biology. Academic Press. p. 53.

    2 Menstruation. Retrieved from https://en.wikipedia.org/wiki/Menstruation.


    You will also like...

    Schematic diagram of bacterial lactose operon
    Gene Action – Operon Hypothesis

    Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..

    ..

    sponge
    Primitive Animals

    Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..

    Human Nervous System
    The Human Nervous System

    The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..

    Homeostatic Mechanisms and Cellular Communication
    Homeostatic Mechanisms and Cellular Communication

    Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..

    Plant meristem
    Plant Meristems and Growth

    In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..

    Buttress roots
    Roots

    This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..

    Related Articles...

    No related articles found

    See all Related Topics