How Do I Calculate My Ovulation Cycle
Then we need to know the average length of your menstrual cycle so we can calculate the window of time when you re most fertile.
How do i calculate my ovulation cycle. This tool provides approximate dates only and assumes a regular menstrual cycle. The ovulation calculator also shows you all your upcoming fertile days and when your baby will be due if you do conceive. Menstrual periods are different from woman to woman and month to month. Start with the first day of one period and count right up to the day before the first day of your next period.
For a 28 day cycle your egg would be released on day 14. How do you calculate your ovulation day. If your cycle is 28 days long. Sometimes your own cycle can be as short as 23 days on cycle and 28 or 30 days the next.
You can subtract the length of your cycle by 10 14 to find out what day you will ovulate in your next cycle. Calculating your ovulation day is a bit simpler because ovulation only usually occurs on one day each month. Our ovulation calculator gives you the dates you re most likely to be fertile over the next several months. 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.
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. Assuming a luteal phase of 14 days your ovulation day will be 14 days before your next expected period. Use this calculator to see when you may be ovulating to help find your most fertile days. In a 30 day cycle you will ovulate 16 days after your period starts 30 14 16.
How to calculate your next period ovulation infographic. While you may already have a fair understanding of your own menstrual cycle there are women who have cycle lengths that vary. How to use the ovulation calculator. 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.
How we calculate your fertile days. To calculate your fertile window you need to determine what day you ovulate. First we estimate when you ll ovulate by counting back 14 days from the day you expect your next period. Ovulation takes place 10 14 days before your next period.
So you ll have all the information you need to start planning your pregnancy. Using our ovulation calculator is easy all you need to do is enter the first day of your period. Count the first day of bleeding or spotting as day one.