Variable Details

Available Studies
ROS, MAP, MARS, LATC
Scaled? 
Not Scaled
Variable Type 
Cross-Sectional
Variable Name 
mensage
Categories
Female Reproductive History

Menarche age
Age at first occurrence of menstruation

Age at menarche is reported at baseline. Female participants are asked the following question:

At what age did you begin menstruating? [Age]

Publications

Bove R, Secor E, Chibnik LB, Barnes LL, Schneider JA, Bennett DA, De Jager PL. Age at surgical menopause influences cognitive decline and Alzheimer pathology in older women. Neurology. 2013 Dec 11; 82 (3):222-9. PubMed PMID: 24336141; PubMedCentral PMCID: PMC3902759