1 Subtract eleven days from the total number of days to find the last fertile day in your cycle. 2  For example, if your longest cycle lasted 31 days, your last potentially fertile day in each cycle would be the 20th day in the cycle (31 - 11 = 20).
Why you shouldnât work up until your due date. I nearly gave birth to my son at work. Right there on the third floor of the sea foam-green AAA building on Van Ness Avenue, where I was working at the time. Luckily, my coworker Nino convinced me to go to the hospital when I told him that I was feeling crampy.
The due date is only an estimate of when you will deliver. Most women deliver within 14 days of their due date. Methods for estimating the length of your pregnancy and your due date include: 1  Determining the first day of your last menstrual period. 2  Measuring the size of your uterus.  Using ultrasound testing.