Circulating AMH reflects ovarian morphology by magnetic resonance imaging and 3D ultrasound in 121 healthy girls

Casper P Hagen, Annette Mouritsen, Mikkel G Mieritz, Jeanette Tinggaard, Christine Wohlfart-Veje, Eva Fallentin, Vibeke Brocks, Karin Sundberg, Lisa Neerup Jensen, Richard A Anderson, Anders Juul, Katharina Maria Main

33 Citations (Scopus)

Abstract

Context: In adult women, Anti-Müllerian hormone (AMH) is produced by small growing follicles, and circulating levels of AMH reflect the number of antral follicles as well as primordial follicles. Whether AMH reflects follicle numbers in healthy girls remains to be elucidated. Objective: This study aimed to evaluate whether serum levels of AMH reflects ovarian morphology in healthy girls. Design and Setting: This was a population-based cohort study involving the general community. Participants: Included in the study were 121 healthy girls 9.8-14.7 years of age. Main Outcome Measures: Clinical examination, including pubertal breast stage (Tanner's classification B1-5), ovarian volume, as well as the number and size of antral follicles were assessed by two independent modalities: magnetic resonance imaging (MRI), Ellipsoid volume, follicles ≥2 mm; and Transabdominal ultrasound, Ellipsoid and 3D volume, follicles ≥1 mm. Circulating levels of AMH, inhibin B, estradiol, FSH, and LH were assessed by immunoassays; T and androstenedione were assessed by liquid chromatography-tandem mass spectrometry. Results: AMH reflected the number of small (MRI 2-3 mm) and medium (4-6 mm) follicles (Pearson's Rho [r] = 0.531 and r = 0.512, P < .001) but not large follicles (≥7 mm) (r = 0.109, P = .323). In multiple regression analysis, small and medium follicles (MRI ≤ 6 mm) remained the main contributors to circulating AMH (β, 0.501; P < .001) whereas the correlation between AMH and estradiol was negative (β, -0.318; P = .005). In early puberty (B1-B3), the number of AMH-producing follicles (2-6 mm) correlated positively with pubertal stages (r = 0.453, P = .001), whereas AMH levels were unaffected (-0.183, P = .118). Conclusions: Similarly to adult women, small and medium antral follicles (≤6 mm) were the main contributors to circulating levels of AMH in girls.

Original languageEnglish
JournalJournal of Clinical Endocrinology and Metabolism
Volume100
Issue number3
Pages (from-to)880-90
Number of pages11
ISSN0021-972X
DOIs
Publication statusPublished - 1 Mar 2015

Keywords

  • Adolescent
  • Anti-Mullerian Hormone
  • Child
  • Cohort Studies
  • Female
  • Health
  • Humans
  • Imaging, Three-Dimensional
  • Magnetic Resonance Imaging
  • Organ Size
  • Ovarian Follicle
  • Ovary
  • Ultrasonography

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