['To characterize normative antimüllerian hormone (AMH) levels and ascertain which factors are associated with AMH in\xa0a\xa0large cohort of reproductive-age women.', 'Cross-sectional study.', 'Not applicable.', 'A total of 1,654 African-American women (AAW) ages 23-34 at recruitment.', 'Not applicable.', 'Serum AMH measured using an ultrasensitive ELISA.', 'The median AMH was 3.18\xa0ng/mL, and there was a significant, but nonlinear, relationship between age and AMH, with levels peaking at age 25. As AMH was not normally distributed, log transformation was performed and used for all analyses. In a multivariable age-adjusted model, body mass index, current use of hormonal contraception, and history of a thyroid condition were inversely associated with AMH, while history of abnormal menstrual bleeding and menstrual cycles longer than 35\xa0days were positively associated with AMH.'] Does novel correlate between antimüllerian hormone and menstrual cycle characteristics in African-American women ( 23-35 years-old )?