نتایج جستجو برای: ovarian insufficiency
تعداد نتایج: 183069 فیلتر نتایج به سال:
BACKGROUND Premature Ovarian Insufficiency (POI) is classically defined as 4-6 months of cessation of menses (amenorrhea) in women under 40, associated with menopausal level of serum gonadotropins FSH > 40 IU/L and hypo-estrogenism and is also referred to as hypergonadotropic hypogonadism. This disorder can manifest as primary amenorrhea without the onset of menses (menarche), or as secondary a...
Primary ovarian insufficiency (POI), commonly referred to premature ovarian failure, is defined as ovarian failure before the age of 40 years. It is the loss of ovarian function caused by a process directly affecting ovaries. Cancer therapy which includes surgery, radiotherapy, and chemotherapy influence ovarian function, leading to premature menopause and loss of fertility. POI is idiopathic i...
OBJECTIVE Women with primary ovarian insufficiency (POI) present an increased risk for cardiovascular disease. In this study we tested the hypothesis that POI in women under hormone therapy (HT) are associated with vascular vasodilatation attenuation and cardiovascular autonomic dysfunction and these impairments are related to changes in systemic antioxidant enzymes. Furthermore, the possibilit...
Primary ovarian insufficiency greatly influences a woman’s fertility potential and her overall health. The condition affects about 1–2 % of women and in most cases, the cause is undefined. Primary ovarian insufficiency (POI) may be caused by any process that results in dysfunction or depletion of ovarian follicles, reducing the number of oocytes within the ovary. The tendency for POI to run in ...
Germ cell development and primordial follicle formation during fetal life is critical in establishing the pool of oocytes that subsequently determines the reproductive lifespan of women. Fragile X-associated primary ovarian insufficiency (FXPOI) is caused by inheritance of the FMR1 premutation allele and approximately 20% of women with the premutation allele develop ovarian dysfunction and prem...
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