Nutrition
Female Athlete RED S Cycle Screening
Female athlete RED S cycle screening uses period regularity and fuel logs to catch low energy availability—missing cycles and rising load with low calories need clinician review.
Female athlete RED S cycle screening watches period regularity, recurring stress fractures, cold intolerance, and performance stagnation alongside fuel logs—low energy availability suppresses hormones faster than scale weight suggests. Missing three or more cycles, or lighter bleeding for months, warrants clinician review, not harder training.
Cycle tracking is a health screen for athletes, not a reason to cut calories luteal.
Common questions
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When does irregular cycle signal RED-S risk?
Missing three or more periods, lighter bleeding for months, or fractures with stagnant performance alongside low fueling warrant clinician review—not a training block increase.
Related terms
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