Why should I track my menstrual cycle?
Bottom lineTracking your cycle lets you predict your period, find your fertile window to help conceive or avoid pregnancy, see whether symptoms like mood or pain truly follow your cycle, notice changes early (a shift from baseline can flag pregnancy, thyroid issues, PCOS/PMOS, or perimenopause), and give your doctor concrete data; major bodies including ACOG recommend treating the cycle as a vital sign, and apps turn logs into sharpening predictions and an exportable record.
Tracking your cycle turns scattered observations into useful information about your health, fertility, and wellbeing. It's one of the simplest high-value health habits.
What tracking gives you
- Predict your period so you're never caught off guard
- Find your fertile window to help conceive or avoid pregnancy
- Spot patterns - whether symptoms like mood, headaches, or pain truly follow your cycle (the hallmark of PMS/PMDD)
- Notice changes early - a shift from your baseline can be the first sign of pregnancy, thyroid issues, PCOS/PMOS, perimenopause, or stress
- Better doctor visits - concrete data on cycle length, flow, and symptoms beats trying to remember
Your cycle as a health signal
Major medical bodies, including ACOG, recommend treating the menstrual cycle as a vital sign - a readout of your hormonal and overall health alongside pulse, temperature, and blood pressure.
What's worth recording
- Period dates and flow
- Symptoms (cramps, mood, bloating, headaches)
- Cervical mucus and, if relevant, ovulation signs
Why an app helps
Apps turn your logs into predictions and trends that sharpen over time and give you an exportable record for appointments.
Read our cycle as a vital sign article and start with the Menstrual Cycle Calculator.
Femora logs dates, flow, and symptoms in one place and turns them into predictions and insights.
Sources
- Your menstrual cycle - Office on Women's Health.
- Menstruation in Girls and Adolescents: Using the Menstrual Cycle as a Vital Sign - American College of Obstetricians and Gynecologists (ACOG).
- Periods - NHS.