Health & Fitness Calculators
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Ovulation Calculator
Track ovulation, fertile window, and menstrual cycle for family planning
Menstrual Cycle Information
Current Cycle Status
Next Ovulation
Fertile Window
Best Conception Days
Next Period
Cycle Phases
Quick Summary
Future Cycles & Conception Tips
How Ovulation Calculation Works
Ovulation Timing
Ovulation typically occurs 14 days before the next period (luteal phase is consistently ~14 days). For a 28-day cycle, ovulation is predicted on day 14.
Fertile Window
Sperm can survive up to 5 days in the female reproductive tract. The fertile window includes the 5 days before ovulation plus the ovulation day itself (6 days total).
Best Conception Days
The highest pregnancy rates occur from intercourse on the 2 days before ovulation through ovulation day. These are your most fertile days.
Cycle Phases
Menstrual cycle has 4 phases: Menstruation (5 days), Follicular (day 1 to ovulation), Ovulation (~2 days), and Luteal (ovulation to next period, ~14 days).
Fertility & Health Guidelines
Tracking Methods:
- • Calendar Method: Track period dates consistently
- • Basal Body Temperature: Daily morning temperature
- • Cervical Mucus: Monitor changes in texture
- • Ovulation Kits: LH surge detection
Health Considerations:
- • Regular Cycles: 21-35 days is normal range
- • Lifestyle: Maintain healthy weight and diet
- • Stress Management: Can affect ovulation timing
- • Medical Advice: Consult doctor for irregularities
Your Cycle Summary:
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