Anti-Mullerian hormone concentrations in androgen-suppressed women with polycystic ovary syndrome  

Oleh:

Carlsen, S.M. ; Vanky, E. ; Fleming, R

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Human Reproduction vol. 24 no. 07 (Jul. 2009), page 1732-1738.
Topik: androgens/dexamethasone/anti-Müllerian hormone/polycystic ovary syndrome

Ketersediaan

Perpustakaan FK Nomor Panggil: H07.K.2009.03 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

BACKGROUND: Current data suggest that excessive androgen exposure can lead to the development of polycystic ovaries and polycystic ovary syndrome (PCOS). Anti-Müllerian hormone (AMH) levels reflect the number of small antral follicles in the ovaries and are elevated in PCOS. We hypothesized that protracted reduction of circulating androgens and/or insulin resistance would reduce circulating AMH concentrations in women with PCOS. METHODS: A prospective, randomized, double-blind 26 week long study was undertaken in 50 women with PCOS. They all received diet and lifestyle counselling, and metformin 850 mg three times daily. Concomitantly, they were randomized to either dexamethasone 0.25 mg daily (n = 25) or placebo (n = 25). Thirty-eight women completed the study. AMH (primary outcome) and other hormone levels were measured at inclusion and after 8 and 26 weeks of treatment. RESULTS: At baseline in univariate regression analyses, AMH levels associated positively with testosterone levels (P = 0.041) and ovarian volume (P = 0.002). In multivariate regression analyses, AMH associated positively with testosterone P = 0.004), and negatively with dehydroepiandrosterone sulphate (DHEAS) (P = 0.001) and C-peptide levels (P = 0.020). Circulating AMH concentrations were unaffected by 6 months of lifestyle counselling with metformin and placebo treatment. AMH levels were also unaffected by 6 months of androgen suppression with dexamethasone in addition. CONCLUSIONS: AMH levels in untreated PCOS women associated positively with testosterone, and negatively with DHEAS and C-peptide levels. Six months of androgen suppression by either metformin or low-dose dexamethasone treatment failed to influence circulating AMH levels.

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