09/07/2026
The word-finding thing in your late thirties is one of the earliest perimenopause symptoms, and almost nobody connects it.
You're mid-sentence, the word is right there, and it's gone. Then you spend the afternoon quietly wondering what's happening to your brain.
Here's what I'd tell you. Estrogen is a brain hormone. Progesterone acts as a neuromodulator. When those hormones start changing, your nervous system has a hard time keeping up, and what you're feeling is your brain responding to that change.
And it's still not where I start.
Before I dig into HRT, I make sure iron is optimized, along with the rest of the baseline picture. If brain fog is genuinely the only symptom, sometimes we'll consider hormone therapy. Usually I want to know there isn't something else driving it first, because a hormonal explanation that skips the workup is an assumption rather than an assessment.
Save this for the next time someone tells you it's just stress.