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.
Your due date is an estimate of the day that you will give birth. Itâs calculated as 40 weeks after the first day of your last period. Your midwife may update your due date following your dating scan, which gives a more accurate picture of how far along in your pregnancy you are (NCCWCH 2008a) .lthough most babies remain healthy, obstetricians do worry when pregnancy continues several weeks past their due date. That's because, after 42 weeks of pregnancy, a small number of babies die unexpectedly while they are still inside the womb (uterus) or shortly after the birth (NCCWCH 2008b, NHS Choices 2015) .