The odds of oligo/amenorrhea were increased by 6.7-fold (95% CI 2.5–19.9) in those with an AMH per antral follicle of >2 pmol/L when compared with those with an AMH per antral follicle of <1 pmol/L (P < 0.0001) (Figure 4D). The gene discussed is AMH; the disease is amenorrhea.