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Women's health · Jul 10, 2026 · 7 min read

What three temperature sensors can tell you about your cycle

The physiology behind period prediction, ovulation confirmation and phase-aware Readiness.

Basal body temperature rises after ovulation and falls before a period. It has been used for decades — the problem was measuring it reliably every day. An earring worn overnight solves that.

Nurnex takes readings continuously from three sensors and looks for the sustained shift, not the noise. That is what makes ovulation confirmation and period prediction possible without any manual logging.

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