Track your menstrual cycle, predict your next period date, ovulation window, and fertile days — all in one simple, private tool.
Predictions may shift ±3–5 days due to stress or hormonal changes.
Your menstrual cycle is often called a "fifth vital sign" — a window into your overall hormonal and reproductive health. Regular cycles indicate healthy hormonal function. Changes in cycle length, flow, or symptoms can be early indicators of health issues including thyroid disorders, PCOS, or perimenopause.
Period tracking also helps you anticipate and prepare for menstruation, understand your fertile window, manage PMS proactively, and provide accurate cycle history to your healthcare provider.
A normal cycle ranges from 21–35 days, with 28 days being the average. Flow lasts 3–7 days with normal blood loss of 30–80 mL (about 2–6 tablespoons). Cycles outside the 21–35 day range consistently may warrant medical evaluation.
A period is considered late if it hasn't arrived within 5 days of its expected date. More than 7 days late is a missed period — take a pregnancy test and consult your doctor if needed. Missing 3+ consecutive periods (secondary amenorrhea) requires prompt medical evaluation.
Medical Disclaimer: This tool is for educational purposes only and should not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for personalized guidance.