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. 2010 Sep;94(4):1482-1486.
doi: 10.1016/j.fertnstert.2009.07.1674. Epub 2009 Dec 6.

Anti-Müllerian hormone and inhibin B variability during normal menstrual cycles

MaryFran Sowers  1 , Daniel McConnell  2 , Katherine Gast  3 , Huiyong Zheng  2 , Bin Nan  4 , Jenifer D McCarthy  3 , John F Randolph  3
Affiliations

Anti-Müllerian hormone and inhibin B variability during normal menstrual cycles

MaryFran Sowers et al. Fertil Steril. 2010 Sep.

Abstract

Objective: To describe anti-Müllerian hormone (AMH) variation across normal menstrual cycles.

Design: Cohort study.

Setting: Academic environment.

Patient(s): Twenty regularly menstruating women.

Intervention(s): Serum AMH and inhibin B assayed daily during one normal menstrual cycle.

Main outcome measure(s): Intracycle variability of AMH and inhibin B.

Result(s): Data were classified into quartiles of AMH area-under-the-curve (AUCs). Mean AMH AUC was 15.7 ng/mL for quartile 1 versus 43.5, 80.9 and 144.9 ng/mL for quartiles 2, 3, and 4. Mean AMH levels (ng/mL) were 0.67, 1.71, 3.02, and 5.33, respectively. There was no variation in quartile 1 AMH rate of change from stochastic modeling, but in quartiles 2 to 4, there were increased rates of change in days 2 to 7. Women in quartile 1 had the lowest mean inhibin B (24.2 pg/mL vs. 44.3, 43.2, and 42.2 pg/mL), and had shorter menstrual cycles (24.6 days) than women in quartiles 3 and 4 (28.2 and 28.4 days).

Conclusion(s): There were two menstrual cycle patterns of AMH. The "aging ovary" pattern included low AMH levels with little variation, lower inhibin B, and shorter cycle lengths. The "younger ovary" pattern included higher AMH levels with significant variation days 2 to 7, suggesting that for women with AMH>1 ng/mL, the interpretation of AMH levels is contingent upon the day of the menstrual cycle on which the specimen is obtained.

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Conflict of interest statement

Conflict of Interest: MFS, DM, KG, HZ, BN, JM & JR have no conflicts of interest.

Figures

Figure 1
Figure 1
Mean AMH (top panel, 1A–1D) and inhibin B (bottom panel, 1E–1H) across the menstrual cycle in 20 women, according to quartiles of their AMH area-under-the-curve. Black solid line is the spline smoothed mean values and the cyan dashed lines are individual profiles
Figure 1
Figure 1
Mean AMH (top panel, 1A–1D) and inhibin B (bottom panel, 1E–1H) across the menstrual cycle in 20 women, according to quartiles of their AMH area-under-the-curve. Black solid line is the spline smoothed mean values and the cyan dashed lines are individual profiles
Figure 1
Figure 1
Mean AMH (top panel, 1A–1D) and inhibin B (bottom panel, 1E–1H) across the menstrual cycle in 20 women, according to quartiles of their AMH area-under-the-curve. Black solid line is the spline smoothed mean values and the cyan dashed lines are individual profiles
Figure 1
Figure 1
Mean AMH (top panel, 1A–1D) and inhibin B (bottom panel, 1E–1H) across the menstrual cycle in 20 women, according to quartiles of their AMH area-under-the-curve. Black solid line is the spline smoothed mean values and the cyan dashed lines are individual profiles
Figure 1
Figure 1
Mean AMH (top panel, 1A–1D) and inhibin B (bottom panel, 1E–1H) across the menstrual cycle in 20 women, according to quartiles of their AMH area-under-the-curve. Black solid line is the spline smoothed mean values and the cyan dashed lines are individual profiles
Figure 1
Figure 1
Mean AMH (top panel, 1A–1D) and inhibin B (bottom panel, 1E–1H) across the menstrual cycle in 20 women, according to quartiles of their AMH area-under-the-curve. Black solid line is the spline smoothed mean values and the cyan dashed lines are individual profiles
Figure 1
Figure 1
Mean AMH (top panel, 1A–1D) and inhibin B (bottom panel, 1E–1H) across the menstrual cycle in 20 women, according to quartiles of their AMH area-under-the-curve. Black solid line is the spline smoothed mean values and the cyan dashed lines are individual profiles
Figure 1
Figure 1
Mean AMH (top panel, 1A–1D) and inhibin B (bottom panel, 1E–1H) across the menstrual cycle in 20 women, according to quartiles of their AMH area-under-the-curve. Black solid line is the spline smoothed mean values and the cyan dashed lines are individual profiles
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