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  • Title: Serum levels of anti-Müllerian hormone as a marker of ovarian function in 926 healthy females from birth to adulthood and in 172 Turner syndrome patients.
    Author: Hagen CP, Aksglaede L, Sørensen K, Main KM, Boas M, Cleemann L, Holm K, Gravholt CH, Andersson AM, Pedersen AT, Petersen JH, Linneberg A, Kjaergaard S, Juul A.
    Journal: J Clin Endocrinol Metab; 2010 Nov; 95(11):5003-10. PubMed ID: 20719830.
    Abstract:
    CONTEXT: In adult women, anti-Müllerian hormone (AMH) is related to the ovarian follicle pool. Little is known about AMH in girls. OBJECTIVE: The objective of the study was to provide a reference range for AMH in girls and adolescents and to evaluate AMH as a marker of ovarian function. SETTING: The study was conducted at a tertiary referral center for pediatric endocrinology. MAIN OUTCOME MEASURES: We measured AMH in 926 healthy females (longitudinal values during infancy) as well as in 172 Turner syndrome (TS) patients according to age, karyotype (A: 45,X; B: miscellaneous karyotypes; C: 45,X/46,XX), and ovarian function (1: absent puberty; 2: cessation of ovarian function; 3: ongoing ovarian function). RESULTS: AMH was undetectable in 54% (38 of 71) of cord blood samples (<2; <2-15 pmol/liter) (median; 2.5th to 97.5th percentile) and increased in all (37 of 37) infants from birth to 3 months (15; 4.5-29.5 pmol/liter). From 8 to 25 yr, AMH levels were stable (19.9; 4.7-60.1 pmol/liter), with the lower level of the reference range clearly above the detection limit. AMH levels were associated with TS-karyotype groups (median A vs. B: <2 vs. 3 pmol/liter, P = 0.044; B vs. C: 3 vs. 16 pmol/liter, P < 0.001) as well as with ovarian function (absent puberty vs. cessation of ovarian function: <2 vs. 6 pmol/liter, P = 0.004; cessation of ovarian function vs. ongoing ovarian function: 6 vs. 14 pmol/liter, P = 0.001). As a screening test of premature ovarian failure in TS, the sensitivity and specificity of AMH less than 8 pmol/liter was 96 and 86%, respectively. CONCLUSION: AMH seems to be a promising marker of ovarian function in healthy girls and TS patients.
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