How To Calculate My Ovulation Cycle
To calculate your fertile window you need to determine what day you ovulate.
How to calculate my ovulation cycle. Use the calculator to see which days you are most likely to be fertile. 30 days minus 14 16. The length of your menstrual cycle is the number of days from the first day of bleeding in your last period to the first day of bleeding in your next. Use this calculator to see when you may be ovulating to help find your most fertile days.
The average cycle length is 28 days but can range anywhere from 20 to 45 days. If you have shorter cycles say 21 days ovulation happens around day 7 and your most fertile days are days 5 6 and 7. First we estimate when you ll ovulate by counting back 14 days from the day you expect your next period. This is called your fertile window.
If your cycle is 28 days long. To increase your chances of getting pregnant just tell us the first day of your last period and how long your cycle usually lasts between 20 and 45 days. How we calculate your fertile days. Our ovulation calculator gives you the dates you re most likely to be fertile over the next several months.
To calculate your ovulation by tracking your cervical mucus keep a calendar and track your period and the length of time between each period for 8 12 months. Once you have at least 8 months charted subtract 18 from the number of days in your shortest period to get your first fertile day in each cycle. Count the first day of bleeding or spotting as day one. Start with the first day of one period and count right up to the day before the first day of your next period.
Your most fertile days are the three days leading up to and including the day of ovulation. Menstrual periods are different from woman to woman and month to month. If your average menstrual cycle is 35 days ovulation happens around day 21 and your most fertile days are days 19 20 and 21. The typical menstrual cycle is 28 days long but each woman is different.
Our ovulation calculator will tell you when you re most likely to be fertile over the next six months. If you have a 30 day cycle then ovulation will occur approximately on day 16 of your cycle. Calculate when ovulation starts. To do this you need to know the length of your menstrual cycle which tends to vary from 23 to 35 days.
Ovulation occurs 10 14 days before your next period so you will get an approximate ovulation date by subtracting 14 from the number of days in your cycle eg.