Brent A. Coull

Menstrual cycle length trajectories and their health correlates across the reproductive lifespan

Abstract Although the menstrual cycle is a vital sign for women’s health, research investigating menstrual cycle length (MCL) trajectories across reproductive life is scarce, often categorizing just two patterns: regular and irregular. We used latent class mixed models (LCMMs) to identify MCL trajectories among 9,332 f...