Calendar To Calculate Safe Days

Some typical uses for the date calculators.

Calendar to calculate safe days. Api services for developers. The dates with white spaces in the calendar given below the calculator are the safe day. For example if it is a 32 day cycle day 21 is the last fertile day.

The world health organization who data shows that approximately 80 of menstrual cycles range from 26 to 32 days. First day of your last menstrual period. Since it is a calendar based method results may vary from women to women.

Menstrual cycles can change month to month and there is no guarantee this method will prevent pregnancy. This application calculates the days for a woman to avoid sex as a natural method of birth control. If you are still not sure about the best time for getting pregnant then use budding star s ovulation calculator to know your fertile days and exact day of ovulation.

Subtract 11 from the length of the longest cycle. This takes into account the premise that the lifespan of the sperm in the reproductive canal is 3 to 5 days. So day 21 to the rest of the cycle is considered as safe or infertile days.

According to the popular safe period calculator method day 1 to day 7 are safe and unfertile in a regular menstrual cycle which lasts 26 to 32 days. Therefore the fertile period is between day six and day 21 when you need to avoid unprotected sex 2. Generally one to seven days of the menstrual period and the days after ovulation are considered safe or infertile however remember that the calculator is purely based on the details you give and can be inaccurate if the data is incorrect.

Time and date duration calculate duration with both date and time included. Except the fertile window range all other days would be safe period days. It is easy to use.