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  • Title: The relationship between serum anti-Müllerian hormone levels and the follicular arrest for women with polycystic ovary syndrome.
    Author: Li J, Li R, Yu H, Zhao S, Yu Y, Qiao J.
    Journal: Syst Biol Reprod Med; 2015 Apr; 61(2):103-9. PubMed ID: 25329139.
    Abstract:
    The aim of this study was to ascertain whether higher levels of serum anti-Müllerian hormone (AMH) are associated with the ovarian follicular arrest in women with polycystic ovary syndrome (PCOS). This prospective study compared AMH levels between serum and dominant follicular fluid (FF) in ovulatory polycystic ovary (PCO) women and anovulatory (menstrual cycle ≥60 days.) PCOS women. All 102 women provided a baseline hormone profile and underwent controlled ovarian hyperstimulation (COH). The anovulatory PCO women had a similar body mass index (BMI), antral follicle count (AFC), and baseline serum AMH levels as the ovulatory PCO women except that their median luteinizing hormone (LH; 10.0 mIU/ml), testosterone (T) (0.61 ng/l), and androstenedione (A) (3.47 ng/l) levels were significantly higher than ovulatory PCO women (4.9 mIU/m; 0.43 ng/l and 2.09 ng/l, respectively). The ovarian response to gonadotropin stimulation during COH including serum AMH on the day of HCG administration and dominant FF AMH at 36 hours after HCG administration, total follicle stimulating hormone (FSH) dose administrated, peak E2, (estrogen) levels and number of occytes retrieved were all similar between women with anovulatory and ovulatory PCO. Using multiple regression analysis it was found that an important independent determinant affecting AMH was AFC, as opposed to LH and T. Logistic regression analysis showed that the two most important factors affecting ovulation were serum LH and T, whereas serum AMH and AFC were not selected for inclusion in the model. The reduction in AMH during COH occurs as a consequence of dominant follicles with a corresponding reduction in small antral follicle number. Elevated serum AMH levels in PCO women seem to be related only to follicular excess and not follicular arrest.
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