Menstrual irregularity
The normal menstrual cycle is about four weeks long, and often follows the phases of the moon. Its length varies from three to seven days, but is usually consistent. However, girls and teenagers who menstruate are usually irregular. This is not a cause for concern unless regular menstruation has been established and is then lost. Some adult women also have irregular cycles. This can be a benign condition, but it can also be due to problems in the uterus or ovaries, including cancer. Adults with menstrual irregularity should see their physician to rule out disease or other problems. In some cases, medication can be used to regulate a chronically irregular cycle.
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The presence of apparent menstrual blood during the wrong parts of the menstrual cycle. Some women have a tendency to bleed around ovulation, which occurs at about the 14th day after the first day of menstrual bleeding. In others, spotting can be a sign of internal problems, including fibroid tumors of the uterus, hormonal abnormalities, […]
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A phenomenon that occurs when two or more menstruating women live or otherwise spend a lot of time together, in which the menstrual cycles of the women gradually become synchronized. The mechanism and reason for this effect is unknown, although research suggests that it may be due to the effects of female pheromones on other […]
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The periodic blood that flows as a discharge from the uterus. Also called menorrhea, the time during which menstruation occurs is referred to as menses. The menses occurs at approximately 4 week intervals to compose the menstrual cycle.
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Menstruation that occurs without ovulation. Usually in anovular menstruation the egg that remains in the ovary simply disintegrates, but in some circumstances it is fertilized and a life-threatening ovarian pregnancy results.