
U.S. national estimates of age at first menstrual period, 2013-2017, by ethnicity
During the period 2013-2017, among women aged 15-44, 53 percent had reached menarche (first menstruation) by age 12 and 90 percent by age 14. Hispanic women were likely to reach menarche at a slightly earlier age compared to non-Hispanic white women.
This statistic presents the cumulative probability of menarche among U.S. women aged 15-44 from 2013-2017, by age and ethnicity.