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Changes in Circulating ProAMH and Total AMH during Healthy Pregnancy and Post-Partum: A Longitudinal Study

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  • Michael W Pankhurst
  • Christine A Clark
  • Judith Zarek
  • Carl A Laskin
  • Ian S McLennan

Abstract

Circulating Anti-Müllerian hormone (AMH) is derived from the gonads, and is a mixture of the prohormone (proAMH), which does not bind to AMH receptors, and receptor-competent AMH. The functions of a hormone are partially defined by the factors that control its levels. Ovarian reserve accounts for 55~75% of the woman-to-woman variation in AMH level, leaving over 25% of the biological variation to be explained. Pregnancy has been reported to decrease circulating AMH levels, but the observations are inconsistent, with the effect of pregnancy on the bioactivity of AMH being unknown. We have therefore undertaken a longitudinal study of circulating proAMH and total AMH during pregnancy. Serum samples were drawn at 6–8 gestational time-points (first trimester to post-partum) from 25 healthy women with prior uneventful pregnancies. The total AMH and proAMH levels were measured at each time-point using ELISA. The level of circulating total AMH progressively decreased during pregnancy, in all women (p

Suggested Citation

  • Michael W Pankhurst & Christine A Clark & Judith Zarek & Carl A Laskin & Ian S McLennan, 2016. "Changes in Circulating ProAMH and Total AMH during Healthy Pregnancy and Post-Partum: A Longitudinal Study," PLOS ONE, Public Library of Science, vol. 11(9), pages 1-13, September.
    • Handle: RePEc:plo:pone00:0162509
    DOI: 10.1371/journal.pone.0162509
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