Enter your cycle day, flow, cramps, and PMS scores to build a monthly pattern your gynecologist can work from.
"How long are your cycles, and how regular?" The doctor asks it like the answer should be easy, and you realize you genuinely do not know. Somewhere between 28 and 35 days? The last period was bad, or maybe that was the one before. The cramps have gotten worse, you think, but you cannot say over what span. Your cycle is one of the clearest health signals your body produces, and most people walk into appointments able to describe almost none of it — not because they do not pay attention, but because a pattern that unfolds over months is impossible to hold in memory. This tracker turns it into a record: cycle day, average length, period duration, flow heaviness, cramp pain, PMS severity, mood swings, cycles tracked, regularity, and birth control status, logged day by day.
With consistent monthly tracking, patterns that would otherwise be invisible become clear: whether your cycle is lengthening or shortening, whether cramp severity is worsening over time, whether your PMS is getting heavier in the second half of each cycle, and how consistent or variable your period timing is. That data belongs in a conversation with your gynecologist, not locked in memory or scattered across app notifications.
Cycle length and regularity: the baseline that everything else is measured against
The tracker asks for Average Cycle Length in days and Regularity as a qualitative rating from very regular through very irregular. These two fields establish your personal baseline, which is the reference point for everything else. A 35-day cycle is not inherently irregular — many people have naturally longer cycles. What matters is whether your cycle is consistent with its own history and whether recent changes are departing from your baseline.
Cycle length is measured from the first day of one period to the first day of the next. The typical range is 21 to 35 days, but individual variation is wide. The tracker does not flag a specific length as abnormal — it records your pattern. Over three to six tracked cycles, the variability in your cycle length becomes visible. A variability of more than seven to ten days across consecutive cycles is worth discussing with your provider.
Changes in cycle regularity are often the first signal of several conditions worth investigating, including thyroid changes, PCOS, perimenopause, and stress-related hypothalamic suppression. Bring your three-cycle trend to your annual gynecology appointment rather than reconstructing it from memory.
Flow heaviness: what a 1-to-10 rating actually captures
Flow Heaviness on a 1-to-10 scale is a subjective but useful metric when tracked consistently. A 3 on your scale may mean something different than a 3 on someone else's, but your 3 across twelve months of your own tracking provides a meaningful trend. Heaviness that was consistently 4 and is now consistently 7 over three consecutive periods is a specific finding worth discussing.
Clinically, heavy menstrual bleeding is typically defined by impact: soaking through a pad or tampon every hour for several hours, passing clots larger than a quarter, or bleeding that significantly interferes with daily life. If your flow heaviness ratings are consistently 8 or above, bring that record to your gynecologist. Heavy periods can have treatable causes including fibroids, polyps, bleeding disorders, or hormonal imbalance.
Track period duration alongside flow to give a complete picture. Three days of heavy flow is different from seven days of moderate flow, even if average heaviness ratings are similar.
Cramp pain and PMS: tracking the premenstrual burden separately from period pain
The tracker separates Cramp Pain on a 0-to-10 scale from PMS Severity, also 0 to 10. These are distinct experiences with different clinical implications. Cramp pain reflects uterine cramping during menstruation — primarily the first one to two days of the period for most people. PMS severity captures the premenstrual phase: the week before the period that may include physical and emotional symptoms.
Severe cramping that does not respond to over-the-counter pain management, or that has progressively worsened over the past year, is a clinical finding worth documenting and presenting to a gynecologist. It can indicate endometriosis, adenomyosis, or other conditions. Having a six-month cramp severity trend rather than a single verbal complaint changes the weight of the appointment conversation.
PMS severity includes mood, bloating, breast tenderness, fatigue, and other premenstrual symptoms. If your PMS severity is consistently above 7 and significantly affects your function in the two weeks before your period, the clinical term PMDD may be relevant — discuss it with your provider rather than assuming it is a normal burden to manage.
Mood swings across the cycle: charting the emotional pattern
Mood Swings on a 0-to-10 scale captures how much mood variability you experienced today. In a complete monthly chart, this field tends to produce a recognizable pattern: typically lower in the follicular phase after the period, rising around ovulation, and higher in the late luteal phase before the next period. Seeing that pattern in your own data is often clarifying for people who have been experiencing the mood changes as random.
Mood variability that is severe, persistent, or significantly impairing is worth clinical attention regardless of cycle phase. The tracker does not distinguish between normal premenstrual mood change and clinically significant mood disorder. Your provider makes that distinction based on the full picture you bring them, including the cycle-phase correlation this tracker helps you document.
Birth control and cycles tracked: context fields that matter
The Birth Control field records whether you are on hormonal birth control, an IUD, barrier methods only, or not using contraception. This matters because hormonal contraception significantly alters cycle patterns, and what you are tracking is the withdrawal bleed on hormonal methods rather than a natural cycle. The tracker calibrates expectations accordingly.
Cycles Tracked is a cumulative field that grows with your history. Three cycles of data is preliminary. Twelve cycles of data is a complete clinical picture. If you are bringing cycle data to a gynecology or fertility appointment, noting how many complete cycles are in your record is part of contextualizing the trend. Save your cycle record free — the more months you have, the more specific that appointment conversation gets. Track 6 cycles to spot atypical patterns and bring real data to your gynecologist → Track 6 cycles to spot atypical patterns and bring real data to your gynecologist →
Important: this is a self-tracking tool, not medical advice
This tracker is a self-monitoring tool, not a diagnostic device. The information you enter and the scores it produces are for personal awareness and for sharing with your clinician — they are not a substitute for professional medical evaluation, diagnosis, or treatment. Do not change medication, dose, or treatment plan based on this tool. If you experience symptoms that concern you, contact your clinician; for emergencies in the US, call 911 or your local emergency number. Mental health crisis support in the US is available 24/7 by calling or texting 988.
Menstrual Cycle Tracker vs. the alternatives
| Capability | Menstrual cycle tracker | Period app date prediction | No tracking |
|---|---|---|---|
| Flow + duration tracking | Yes | Yes | No |
| Symptom multi-axis | Yes — mood, pain, energy | Limited | No |
| Cycle length variability | Yes — over months | Average only | No |
| Detects atypical patterns | Yes — flagging | No | No |
How to use it
- Enter your Current Cycle Day and Average Cycle Length in days based on your recent history.
- Rate Flow Heaviness on a 1-to-10 scale for today and enter Period Duration in days for how long your current period has lasted.
- Score Cramp Pain from 0 to 10 and PMS Severity from 0 to 10 based on today's experience.
- Rate Mood Swings from 0 to 10 and enter Cycles Tracked and your Regularity assessment.
- Select your Birth Control status and read the output.
- Print the three-cycle summary before your annual gynecology appointment or any specialist evaluation.
Who it's for
- Person tracking to identify cycle irregularity — Someone whose cycles have ranged from 24 to 41 days over six months tracks consistently and brings the pattern to their gynecologist, who orders a thyroid panel based on the documented irregularity alongside fatigue.
- Person evaluating whether their PMS qualifies as PMDD — A person tracking PMS severity above 8 for the second half of each of four consecutive cycles brings the documented trend to their provider to discuss whether their symptoms meet criteria for PMDD evaluation.
- Person tracking cycle changes after stopping hormonal birth control — Someone who stopped the pill after eight years tracks for three months to establish what their returning natural cycle pattern looks like, giving their provider a baseline for evaluating whether the cycle is normalizing appropriately.
- Person managing progressively worsening cramps — A person whose cramp pain has risen from an average of 4 to 8 over six months of tracking brings the progressive trend to their gynecologist, supporting a referral for endometriosis evaluation.
Key terms
- Luteal phase
- The second half of the menstrual cycle, from ovulation to the start of the next period. PMS symptoms typically occur in the late luteal phase. Shorter-than-typical luteal phases can affect fertility.
- PMDD
- Premenstrual dysphoric disorder, a clinically recognized condition involving severe mood and physical symptoms in the week before menstruation. Distinct from typical PMS in intensity and functional impact.
- Heavy menstrual bleeding
- Clinically significant menstrual flow that interferes with daily function, typically defined by soaking through a pad or tampon hourly for several hours, passing large clots, or significant anemia. Tracked through the Flow Heaviness field.
- Cycle regularity
- The degree of consistency in cycle length across consecutive months. High variability — more than seven to ten days difference across cycles — may indicate hormonal, thyroid, or other conditions worth evaluating.
Sources & further reading
Andy Gaber is the founder of Digital Empire LLC and the operator of Digital Dashboard Hub. He has shipped 260+ free interactive tools — including this Menstrual Cycle Tracker — used by founders, marketers, freelancers, and operators to run their businesses without spreadsheets.
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