How Do You Count Your Ovulation Date

Start with the first day of one period and count right up to the day before the first day of your next period.

How do you count your ovulation date. Your estimated ovulation date is. If you have a regular 28 day menstrual cycle you will ovulate 14 days before your next period. This means that ovulation will occur 16 days after your period starts. Your best days to conceive are.

Most women believe that they ovulate 14 days after their period starts but that is not always true so it is very important to chart your cycles for a few months so you know exactly when you are ovulating. Count the first day of bleeding or spotting as day one. In an ideal scenario you have a 28 day menstrual cycle that is you get your period every 28 days. Your estimated fertile window is.

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. On average a woman with a regular 28 day cycle ovulates on about the 14th day of each cycle. That day is the day that you are most likely to ovulate. First we estimate when you ll ovulate by counting back 14 days from the day you expect your next period.

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. If your menstrual cycle is. You are most likely to get pregnant if you have sex without birth control a few days before your ovulation. The estimated due date in this case will be 38 weeks 266 days from the date of conception.

If you have your period on january 1 ovulation will take place on january 17. Calculate fertile days start over. Have sex from day 10 to day 15. Most women ovulate about 14 days into their menstrual cycles if you count the first day of your period as day one according to sharifa menon m d f a c o g an ob gyn at westchester medical.

If your period starts. Use our ovulation calculator to see which days you are most likely to be fertile. If you are keeping a track on your ovulation and know the fertilization date you can estimate the due date based on the date of conception. The average cycle length is 28 days but can range anywhere from 20 to 45 days.

If your cycle is 28 days long your next period should start 28 days from the first day of your last period. For example during a 24 day cycle 4 days shorter than the average ovulation takes place on about the 10th day. 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. If a woman s cycle is longer or shorter than 28 days the predicted ovulation date is changed accordingly.

Only a few women can accurately track the ovulation days and can guess when they have conceived.