Cycle tracking with fog log

Overview

Observation only. Log fog against cycle day without changing hormones.

Mechanisms it may act on

• Hormonal Plausible

Where the estimate comes from

• From studies (prior): 2.0
• From Reddit reports: 0.0
• From investigators here: 0.0
• From tests: 0.0

Studies

• Wearable-Derived Heart Rate Variability Across the Menstrual Cycle, Hormonal Contraceptive Use, and Reproductive Life Stages in Females: A Living Systematic Review.
  2026 · Sports medicine (Auckland, N.Z.) · n=16 · · PubMed 41545627
• Endometrial safety and bleeding profile of a 17β-estradiol/progesterone oral softgel capsule (TX-001HR).
  2020 · Menopause (New York, N.Y.) · n=1255 · Positive · PubMed 31913228
• Oral micronized progesterone for vasomotor symptoms--a placebo-controlled randomized trial in healthy postmenopausal women.
  2012 · Menopause (New York, N.Y.) · n=75 · Positive · PubMed 22453200

How people usually try it

Record daily fog and cycle day for one full cycle. No intervention.

Typical dose: Daily log for one cycle