Oligomenorrhea

Oligomenorrhea

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Oligomenorrhea is a violation of the menstrual cycle, a feature of which is the short duration of menstruation - from several hours to 2 days; component of peritoneum syndrome.

Polycystic Ovary Syndrome(PCOS, also known asStein-Leventhal syndrome) - polyendocrine syndrome, accompanied by impaired ovarian function (absence or irregularity of ovulation, increased secretion of androgens and estrogens), pancreas (insulin hypersecretion), adrenal cortex (hypersecretion of adrenal androgens), hypothalamus and hypophysis.

Other names for this syndrome are as follows:

  • polycystic ovary disease (incorrectly, since this condition is not characterized as a disease, a separate nosological form, but as a clinical syndrome, the causes of which may be different);
  • functional ovarianhyperandrogenism(or functional ovarian hyperandrogenism);
  • hyperandrogenic chronic anovulation;
  • ovarian dysmetabolic syndrome;
  • polycystic ovary syndrome;
  • polycystic ovary.

There are two of the most common in clinical practice, the definition of polycystic ovary syndrome.

The first definition was worked out in 1990 by consensus of an expert commission formedUS National Institutes of Health(NIH). According to this definition, the patient should be diagnosed with polycystic ovary, if she is simultaneously present:

  1. Symptoms of excessive activity or excessive secretion of androgens (clinical and / or biochemical);
  2. Oligo-ovulationoranovulation

and if this excludes other causes that may cause polycystic ovarian disease.

The second definition was formulated in 2003 by the consensus of European experts, formed in Rotterdam. By this definition, a diagnosis is made if the patient has at the same time any two of the following three symptoms:

  1. Symptoms of excessive activity or excessive secretion of androgens (clinical or biochemical);
  2. Oligo-ovulation or anovulation;
  3. Polycystic ovaries with ultrasound examination of abdominal organs

and if this excludes other causes that may cause polycystic ovarian disease.

The Rotterdam definition is much broader and includes significantly more patients in the group suffering from this syndrome. In particular, it includes patients without clinical or biochemical signs of an excess of androgens (since any two of the three signs are obligatory, not all three), while in the American definition excessive secretion or excessive activity of androgens is a prerequisite for diagnosis polycystic ovary. Critics of the Rotterdam definition argue that the findings obtained in the study of patients with an excess of androgens, can not necessarily be extrapolated to patients without symptoms of excess androgens.

Oligomenorrhea images, pictures

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