Safe Period Calculator
Disclaimer: This calculator is based on the Calendar Method and is not 100% accurate. Always consult a healthcare professional for family planning.
How It Works:
- Ovulation Date: Estimated as 14 days before the next menstrual period.
- Fertile Window: 5 days before ovulation and 1 day after ovulation.
- Safe Period:
- First Safe Period: From the end of menstruation to the start of the fertile window.
- Second Safe Period: From the end of the fertile window to the start of the next period.
Example:
- Last Menstrual Period (LMP): January 1, 2024
- Cycle Length: 28 days
- Fertile Window: January 10–16, 2024
- Safe Period: January 2–9, 2024, and January 17–28, 2024