نتایج جستجو برای: diminished ovarian reserve dor
تعداد نتایج: 156573 فیلتر نتایج به سال:
STUDY QUESTION What is the effect of different alkylating agents used without pelvic radiation to treat childhood cancer in girls on the ovarian reserve in survivors? SUMMARY ANSWER Ovarian reserve seems to be particularly reduced in survivors who received procarbazine (in most cases for Hodgkin lymphoma) or high-dose chemotherapy; procarbazine but not cyclophosphamide dose is associated with...
BACKGROUND This study was designed to determine whether small diameter needles for oocyte retrieval alter oocyte yields in patients undergoing IVF in comparison to standard large diameter needles. METHODS We conducted a prospective pilot study of 21 consecutive favorable prognosis patients. In each patient one ovary was randomly allocated to retrieval with either a 20 G/ 35 mm (thin) or 17 G/...
BACKGROUND Low functional ovarian reserve (FOR) is at all ages associated with low testosterone (T) levels. Causes are, however, unknown. We, therefore, investigate whether androgens with low FOR are associated with non-specific immune system activation. METHODS 322 infertile women with low and normal FOR (controls) were assessed with a broadly based immune profile, which in previous studies ...
BACKGROUND Oocyte number is established early in life before a gradual loss of this ovarian reserve during reproductive life until oocyte availability becomes limiting at the menopause. Although there is a large genetic component to the ovarian reserve achieved before birth, other influences including the maternal endocrine and nutritional milieu, and environmental factors may represent importa...
BACKGROUND The association between blood types and ovarian reserve is investigated in this study. MATERIALS AND METHODS As an index of ovarian reserve, women with a follicle stimulat- ing hormone (FSH) level of ≥10 mIU/ml in the early follicular phase were designated as having diminished ovarian reserve. In this prospective study, early follicular phase serum FSH and estradiol levels and bloo...
Reduced ovarian reserve is a condition characterized by a reduced competence of the ovary to produce oocyte due to advanced age or congenital, medical surgical and idiopathic causes. Age is considered to be the principal factor in determining the reduction of ovarian reserve, especially in woman over 40 years of age, but it’s well known that a premature reduction of ovarian reserve can also occ...
Abstract Background Age-related diminished ovarian reserve (AR-DOR) reduced the quality of oocytes, resulting in decreased female fertility. Aging is tightly related to abnormal distribution and function mitochondria, while mitophagy a major process maintain normal quantity mitochondria cells, especially oocytes which containing large number meet demand energy production during oocyte maturatio...
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