@naturalathleteclinic: Performance cliff, sleep disruption, body composition changes, mood instability, cognitive fog — five patterns female endurance athletes experience in perimenopause, each with a specific physiological mechanism that explains why standard advice doesn't fix them. Here's what's actually happening. 👇 Full video on my YouTube channel — link in bio. #perimenopause #femaleathlete #womenover40 #enduranceathlete