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.
Pregnancy normally lasts from 37 weeks to 42 weeks from the first day of your last period. To find your due date, use the drop down menus below to enter the date of the first day of your last period, and click 'calculate date' - the calculator will do the rest. woman's pregnancy is dated from the first day of her last period, not from the day of conception. You had a period starting on 19 July, so if you got pregnant after this date your pregnancy weeks will be counted from 19 July.