what is menstruation cycle?
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The menstrual cycle is the set of physiological phenomena, most often occurring periodically, which prepare the woman's organism for eventual fertilization.
The most visible manifestation of these changes is menstruation. The menstrual cycle begins at puberty and ends at menopause through exhaustion of the ovarian follicles.
The menstrual cycle is not limited to the endometrial cycle, since, preparing the body for a possible pregnancy, it causes changes not only in the uterus but also in the mammary gland.
This cycle is controlled by hormones. Its baseline is 28 days (physiologically assigned to durations of plus or minus 4 days) for women in Western countries but is only a convenient average (28 days = 4 weeks) and does not represent The average, nor the mode of its distribution in the world. In India, its mean (with standard deviation) was measured at 31.2 ± 3.2 days in 1974 and at 31.8 ± 6.7 days in a 1992 study.
Bleeding occurring at the discontinuation of estrogen-progestative contraception (classic pill) is irrelevant to physiological menstruation; It is a genital hemorrhage by a sudden drop in the level of hormones in the blood. This phenomenon is called deprivation hemorrhage.
Knowledge of the menstrual cycle can be used for contraceptive purposes, then it is natural family planning.
Knowledge of the menstrual cycle is important to address the study of menstrual disorders, exploring infertility and implementing medically assisted reproductive technologies.
The most visible manifestation of these changes is menstruation. The menstrual cycle begins at puberty and ends at menopause through exhaustion of the ovarian follicles.
The menstrual cycle is not limited to the endometrial cycle, since, preparing the body for a possible pregnancy, it causes changes not only in the uterus but also in the mammary gland.
This cycle is controlled by hormones. Its baseline is 28 days (physiologically assigned to durations of plus or minus 4 days) for women in Western countries but is only a convenient average (28 days = 4 weeks) and does not represent The average, nor the mode of its distribution in the world. In India, its mean (with standard deviation) was measured at 31.2 ± 3.2 days in 1974 and at 31.8 ± 6.7 days in a 1992 study.
Bleeding occurring at the discontinuation of estrogen-progestative contraception (classic pill) is irrelevant to physiological menstruation; It is a genital hemorrhage by a sudden drop in the level of hormones in the blood. This phenomenon is called deprivation hemorrhage.
Knowledge of the menstrual cycle can be used for contraceptive purposes, then it is natural family planning.
Knowledge of the menstrual cycle is important to address the study of menstrual disorders, exploring infertility and implementing medically assisted reproductive technologies.
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