Dizzy spells, spinning rooms, the grab-the-wall moment — perimenopause dizziness is more common than most women know, affecting roughly 1 in 3. Estrogen has receptors inside the inner ear, regulating the tiny calcium crystals that keep you balanced. When it drops, those crystals destabilise. Cathy breaks down BPPV, vestibular migraine, blood pressure dips, and what actually helped her — backed by peer-reviewed research, no fluff.