Infertility is an important issue for patients with premature ovarian failure (POF). Although oocyte donation offers an alternative method to achieve a pregnancy, many patients seek to reproduce with their own gametes. We performed a literature search to evaluate the possibility of pregnancy following diagnosis, and the additional value of treatment strategies. We found 52 case reports, eight observational studies, nine uncontrolled studies and seven controlled trials. Due to a strong variability in study design, patient selection and mode of intervention, it was not possible to combine the data of the seven studies to perform a meta-analysis. None of the studies showed a statistically significant difference between both (or more) study groups. Due to a lack of incorporation of a placebo group, preference of any treatment over no treatment could not be established. Importantly, the collected data of observational, uncontrolled and controlled studies indicate that POF patients still have a 5-10% chance to conceive following diagnosis. Approximately 80% of the reported pregnancies resulted in the birth of a healthy child. There is no evidence that any treatment can enhance this pregnancy rate.
POF patients show numerous immune cell abnormalities. These abnormalities were only partially due to estrogen deficiency. We hypothesize that these abnormalities either lead to ovarian autoimmunity or may have direct effects on the ovarian function.
The evaluation of ovarian reserve, often critical for the elderly infertile woman, is notoriously difficult and inaccurate. The place of ovarian biopsy in this evaluation has been hotly disputed for three decades, but not resolved. To examine the feasibility of ovarian biopsy for this purpose, a project was designed to estimate the total number of oocytes in a human ovary and investigate whether any biopsy regimen is representative of the follicular reserve in an individual. Ovaries removed from patients of reproductive age during operations not involving ovarian pathology were utilized to count the number and type of follicles found in multiple biopsies of 2 and 5 mm and in the whole ovary. Representative results taking into account the total number of follicles found in the whole ovary showed that predicted values based on the biopsies were extremely varied. We concluded that due to the huge variation in the distribution of follicles across the surface of the ovary, there is no place for this procedure in clinical evaluation of reproductive ageing in the individual patient.
A redistribution of active monocytes and of active dendritic cells from the peripheral blood to the ovaries may be the cause of the described abnormalities. Since similar abnormalities in monocyte function and dendritic cell function have been described in Graves' disease and type I diabetes, the data strengthen the view that POF is one of the endocrine autoimmune diseases.
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