🩸 Period Calculator
Track your menstrual cycle and predict your next period. Plan ahead and understand your body's natural rhythm.
Average is 28 days, but normal range is 21-35 days
Understanding Your Menstrual Cycle
The menstrual cycle is the monthly series of changes a woman's body goes through in preparation for pregnancy. Tracking your cycle helps you understand your body's patterns and plan accordingly.
Cycle Phases
| Phase | Duration | What Happens |
|---|---|---|
| Menstrual | Days 1-5 | Uterine lining sheds (period) |
| Follicular | Days 1-13 | Egg matures, estrogen rises |
| Ovulation | Day 14 | Egg is released |
| Luteal | Days 15-28 | Progesterone rises, preparing for pregnancy |