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menopause

Posted Kamis, 19 Mei 2011 by cupzz itu apri
Menopause is the physiological cessation of menstrual cycles associated with the level of elderly women. A woman who experienced natural menopause at all can not know whether a particular time period is really a last menstrual until one year has passed. Menopause is sometimes referred to as the change of life. This condition is also found in several other species that experience such cycles, such as rhesus monkeys [1] and a number of cetaceans [2]When menopause is approaching, the cycle can occur in times of uncertainty and it's not unusual if menstruation does not come for several months. At the age of forty, some hormonal changes associated with pre-menopause begins. Research has shown, for example, that at the age of forty years many women have experienced changes in bone density and at the age of forty-four years much menstrual becoming fewer or shorter time than usual, or even more numerous and / or more long. About 80% of women began to irregular menstrual cycles. In fact, only about 10% of women stop menstruating altogether without previous prolonged cycle irregularity. In a study involving lebh than 2,700 women, most of them experiencing pre-menopause transition lasts between two to eight years.Unless the person experiences a sudden menopause due to surgery or medical treatment, pre-menopase can be considered as the end of a process that originally started when a woman's first menstruation. First menstrual period is usually followed by a five-or seven-year cycle is relatively long, irregular and often not accompanied by the formation of the egg. Finally in the late teens or early twenties, the length of the cycle is becoming shorter and more regular when women reach peak childbearing age, which lasted for about twenty years.In the forties, the cycle began to elongate again. Although most people tend to believe that twenty-eight days is a normal cycle length, research has shown that only 12.4% women really have a cycle of twenty-eight days and 20% of all women experience irregular cycles.
Hormone ChangesTwo to eight years before menopause, most women become irregular ovulation. During those years, ovarian follicles (egg sacs), which mature egg each month, will experience faster rates of damage to the supply of follicles that eventually run out. Research shows that the acceleration of follicle damage is initiated around the age of thirty-seven or thirty-eight. Inhibin, a substance produced in the ovaries, also decreases resulting in increased levels of FSH (Follicle Stimulating Hormone - Follicle stimulating hormone produced by pituitary).Contrary to common belief, women's estrogen levels are often relatively stable or even increased in pre-menopausal. Levels were not bekurang for less than one year before the last menstrual period. Before menopause, the primary estrogen produced by the body of a woman is estradiol. However, during pre-menopause, a woman's body began to produce more estrogen than a different type, called oestrone, which is produced in the ovary and in fat body.Levels of testosterone usually does not fall significantly during the pre-menopause. In fact, post-menopausal ovaries of most women (but not all women) spend more testosterone than the pre-menopausal ovaries. In contrast, progesterone levels really started to decline during the pre-menopause, even long before the occurrence of changes in estrogen or testosterone, and this is the most important thing for most women.Although reproduction is no longer a destination, reproductive hormones retain an important role, namely the roles that can improve your health and nothing to do with having a baby. It can be seen in the fact that steroid hormone receptors present in almost all organs of the female body. Estrogen and androgen (like testosterone) is important, for example, to maintain strong bones and healthy as well as vaginal and urinary tract tissue is flexible. Both estrogen and progesterone are equally important to maintain healthy collagen layer of the skin.
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