Review
Open access
Sep 2026
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...
M. Mitsunami, E. Peebles, Bo-Ya Zhang et al.
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