Calendar Rhythm Method Example

In this example the first day of your cycle is the first day of menstrual bleeding and the eighth day of your cycle is the first fertile day.

Calendar rhythm method example. The information can be used both to prevent or promote pregnancy depending on your wishes. Then count 8 days starting from day 1 the first day of your period. You use past menstrual cycles to estimate the time of your ovulation.

This number represents the first fertile day of your cycle. To calculate your ovulation using the calendar rhythm method you have to subtract 14 days from your menstrual cycle length if you have a regular cycle. This method was also championed by individuals like leo latz a doctor from chicago who also published the rhythm of sterility and fertility in women in 1932.

To use the rhythm method. Record the length of 6 to 12 of your menstrual cycles. The calendar rhythm method is a calendar based contraceptive method which is suitable for women with irregular menstrual cycles or those which last less than 26 or more than 32 days.

If the longest of her last 6 cycles was 31 days 31 11 20. If your shortest cycle is 26 days long subtract 18 from 26 you get 8. Calendar rhythm method also known as simply the rhythm method this involves tracking your menstrual history to predict when you will ovulate.

This helps you to work out when you are most likely to conceive. Determine the length of your shortest menstrual cycle. She can have unprotected sex again on day 21.

Thus she must avoid unprotected sex from day 9 through day 20 of her cycle. A menstrual cycle length is the time from the beginning of one period to the beginning of another period i e the number of days from the first day you bleed to the first day of the next time you bleed. For example if your shortest cycle is 26 days long subtract 18 from 26 which equals 8.