If you got pregnant in August, depending on what time in the month you get pregnant you would be due in late May or early June of the following year
Your due date will be on March 14th.
If my girl friend got pregnant in december would she have the baby in september
You can add 38 weeks in the 27 August to calculate expected date of delivery. Pregnancy is of 40 weeks if calculated from first day of last menstrual period and can be of 38 weeks if calculated from day of conception. If you become pregnant on 27th August, 2009 then your expected date of delivery is 20th May 2010.