Menstruation

The lining of the female womb is called the endometrium, and consists of a mucous membrane with a fairly dense network of blood vessels, and it is here that a fertilised egg will attach.

Hormones are released during a monthly cycle once puberty has been reached, which stimulate the release of an egg from one of the ovaries. If the egg has not been fertilised, the lining of the womb,which thickens during this monthly cycle, is no longer required and is shed. This is seen as a discharge of blood and fragments of the lining tissue, and this will continue for between 3 and 7 days.

It will reoccur at regular intervals of approximately 28 days under hormonal influence until the menopause is reached. See Menopause for further details on that subject. Because of the hormonal influence, various physiological changes as well as emotional changes can occur during the middle of this cycle as this is when ovulation occurs, or at the end due.

Additional Medical Conditions:

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