Ovarian aging and premature ovarian failure
نویسندگان
چکیده
منابع مشابه
Ovarian aging and premature ovarian failure.
Physiological reproductive aging occurs as a result of a decrease in the number and quality of oocytes in ovarian cortex follicles. Although the reason for the decrease in the quality of the pool and follicular oocytes is not fully understood, endocrine, paracrine, genetic, and metabolic factors are thought to be effective. Nowadays, in order to understand the mechanisms of ovarian aging, genom...
متن کاملPremature ovarian failure and ovarian autoimmunity.
Premature ovarian failure (POF) is defined as a syndrome characterized by menopause before the age of 40 yr. The patients suffer from anovulation and hypoestrogenism. Approximately 1% of women will experience menopause before the age of 40 yr. POF is a heterogeneous disorder with a multicausal pathogenesis involving chromosomal, genetic, enzymatic, infectious, and iatrogenic causes. There remai...
متن کاملAutoimmune premature ovarian failure
Premature ovarian failure (POF), also termed as primary ovarian insufficiency (POI), is a highly heterogenous condition affecting 0.5-3.0% of women in childbearing age. These young women comprise quite a formidable group with unique physical and psychological needs that require special attention. Premature ovarian senescence (POS) in all of its forms evolves insidiously as a basically asymptoma...
متن کاملPremature ovarian failure
Premature ovarian failure is defined as a primary ovarian defect characterized by absent menarche (primary amenorrhea) or premature depletion of ovarian follicles/arrested folliculogenesis before the age of 40 years (secondary amenorrhea). Hormonally, POF is defined by abnormally low levels of estrogen and high levels of FSH, which demonstrate that the ovaries are no longer responding to circul...
متن کاملPremature ovarian failure.
On average, the menopause occurs at the age of 50 years, with 1% of women continuing to menstruate beyond the age of 60 years and 1% whose menopause occurs before 40 years. Arbitrarily, a menopause before the age of 40 years is defined as 'premature'.
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ژورنال
عنوان ژورنال: Journal of the Turkish German Gynecological Association
سال: 2014
ISSN: 1309-0399,1309-0380
DOI: 10.5152/jtgga.2014.0022