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Had natural menstrual period, past 12 months

Codes and Frequencies

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For sample female adults ages 18 to 49 who are not currently pregnant AND sample female adults ages 50 and older, MENSYEAR reports whether the respondent had a natural menstrual period in the past 12 months.

MENSYEAR was first introduced in 1999. For related variables, please use the IPUMS NHIS search function or drop-down menus.


There are no comparability issues with this variable.


  • 1999: Female sample adults age 18 to 49 who are not pregnant (or whose pregnancy status is unknown) and female sample adults age 50+.


  • 1999