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Period Cycle Calculator
Track your menstrual cycle, predict future periods, and monitor your reproductive health.
Cycle Tracking
Cycle Tracking Tips:
- • Day 1 is the first day of full menstrual flow
- • Normal cycles range from 21-35 days
- • Track for at least 3 cycles for accurate predictions
- • Note any unusual symptoms or changes
Menstrual Cycle Guide
Menstrual Phase (Days 1-5)
Shedding of the uterine lining
Follicular Phase (Days 1-13)
Egg development and estrogen rise
Ovulation (Day 14)
Egg release and peak fertility
Luteal Phase (Days 15-28)
Progesterone rise and PMS symptoms
Medical Disclaimer
This calculator provides cycle predictions based on your input data. Actual periods may vary due to stress, illness, hormonal changes, or other factors. Irregular cycles, severe pain, or unusual symptoms should be discussed with a healthcare provider. This tool is not a substitute for professional medical advice.