PHYSICAL HYGIENE OF SEX: MENSTRUATION VARIATIONS
The menstrual cycle is usually regular after the first year. The appearance of the menses most frequently occurs every twenty-eight days, some cycles being less, and some more than this norm. No matter what cycle may be established, it is apt to be regular. Some women never have a menstrual "show" of blood and yet they may conceive. The menstrual flow may be merely a show of blood which lasts but a part of a day, or there may be a relatively profuse flow which lasts for as long as eight days. Undoubtedly these variations in the normal cycle depend primarily on certain hereditary factors involving the glands of internal secretion.
Any change in the periodicity of the menses should be accounted for. It is well known that acute fatigue and exposure to wet and cold will cause a temporary cessation of function. Severe systemic diseases such as tuberculosis, adiposity, or thyroid and nervous disturbances, may induce cessation which may become permanent. The delayed periods caused by fatigue may be restored to their original rhythm by means of rest and other restorative measures. Delayed periods are often associated with such mental states as fear of pregnancy. Sufficient reassurance may result in the restoration of the normal rhythm. In contrast to the cessation or delay of menstrual flow, one often finds the reverse in certain acute diseases, notably with influenza, in which the "period" may come on early, abortion may be induced spontaneously, or the flow may be profuse. An excessive flow that occurs during the regular period but is not always present, is usually to be explained by some immediate causeexertion, respiratory infection, etc. Excessive flow that persists may be due to some local cause such as fibroids in the uterus or to some imbalance in the internal secretions. Clotting, which is not usual in the menstrual flow, generally occurs with excessive flow. It is wise to investigate thoroughly all changes in flow occurring at the regular period. It is absolutely essential that all irregular bleeding, bleeding between periods, and bleeding after the change of life, be investigated by a physician and adequately explained.
Many women are unduly disturbed by the color of the menstrual blood, especially when the flow is slow or scant, and the blood has deteriorated and is very dark in discharge. This is nothing to be concerned about.
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Men's Health-Erectile Dysfunction