Menstrual Period Calculator
Use our Menstrual Period Calculator to input your last period date and cycle length to predict your next period and fertile days. Suitable for regular and irregular cycles, it aids in tracking menstrual health.
Calculate your menstrual cycle and track important dates
Your Period Calendar
Cycle Statistics
Average Cycle Length: 28 days
Regularity: Regular
Next Ovulation:
Flow Intensity:
Cycle Timeline
Period Start
Ovulation
Next Period
Symptoms History
Cycle Length History
Understanding Your Cycle Phases
Menstrual Phase
The shedding of the uterine lining, typically lasting 3-7 days. This is when you experience your period.
Follicular Phase
The phase where follicles in the ovaries mature, preparing for ovulation. This phase can vary in length.
Ovulatory Phase
The release of a mature egg from the ovary. This typically occurs around day 14 of a 28-day cycle.
Luteal Phase
The phase after ovulation where the body prepares for either pregnancy or menstruation.
Important Notes
- This calculator provides estimates and should not be used as a form of birth control.
- Track your cycle for several months to get more accurate predictions.
- Consult a healthcare provider if you experience significant changes in your cycle.
- Remember that stress, illness, and lifestyle changes can affect your cycle.
