How to Track Your Menstrual Cycle for Better Health — Complete Guide
What to Track in Your Cycle
At minimum: period start date and end date. For deeper insight: flow intensity (light/medium/heavy), symptoms (cramps, bloating, headache, mood), cervical mucus consistency, energy and libido levels, and basal body temperature. Even just tracking start dates gives you cycle length data needed for ovulation prediction.
The Four Phases of the Menstrual Cycle
Menstruation (days 1–5): estrogen and progesterone low, uterine lining sheds. Follicular (days 1–13): follicle-stimulating hormone rises, estrogen builds, energy and mood often improve. Ovulation (day 14): LH surge, egg released, peak energy and libido. Luteal (days 15–28): progesterone rises, PMS symptoms if pregnancy doesn’t occur.
Using Cycle Data for Health Insights
A regular cycle (21–35 days, consistent within ±7 days) indicates generally normal hormonal function. Irregular cycles can reflect thyroid disorders, PCOS, or high stress. Very short cycles (<21 days) or very long cycles (>35 days) regularly warrant medical evaluation. Tracking creates the data needed to identify these patterns.
Fertility Awareness Method
Cycle tracking combined with temperature and cervical mucus monitoring forms the Fertility Awareness Method (FAM). When used correctly, FAM is 95–99% effective for contraception. It requires training and consistent tracking — Cycle Tracker provides the logging infrastructure.
Frequently Asked Questions
Start tracking your cycle
Open Cycle Tracker to log your period dates and see your cycle pattern over time.
Open Cycle Tracker