Data Cart

Your data extract

0 variables
0 samples
View Cart
Age at first menstrual period: Grouped ages

Codes and Frequencies

Can't find the category you are looking for? Try the Detailed codes


For sample female adults age 18 and older who have menstruated, MENARCHGP reports how old the respondent was when she first started menstruating, grouped into age intervals. For the exact age, see MENARCH.

MENARCHGP was first introduced in 1987, as part of a supplement on cancer epidemiology. For related variables, please use the IPUMS NHIS search function or drop-down menus.


There are no comparability issues with this variable.


  • 1987: Half of female sample persons age 18+ (excluded from CACT supplement) who did not report never having menstruated.


  • 1987