<aside> 🔍 Chapter 3, as a lookup table. Normal is a range, not a single state. The two lists that matter are 'See a clinician soon' and 'Urgent'. Filter the Action column.
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Why acidity is the signal: estrogen feeds glycogen in the lining, lactobacilli turn it into lactic acid, and that holds the pH between about 3.8 and 4.5. Most of the signs in this table are that acidity holding or slipping.
A home pH strip above 4.5 is a prompt to see someone, never a diagnosis.
Discharge is not a problem to fix. It is the vagina cleaning itself.