1 Cooking equipment is the leading cause of home fire injuries, followed by heating equipment. 2  Smoking materials are the leading cause of home fire deaths.  Most fatal fires kill one or two people. In 2014, 15 home fires killed five or more people resulting in a total of 88 deaths.
Normally, your due date is 280 days (40 weeks or about 10 months -- also known as 10 lunar months) from the first day of your last period. Your health care provider may order an ultrasound to more accurately determine your due date.
An easier way in figuring out due dates is to take the first day of your last period, count backward 3 months, add 7 days, and add an entire year. This is called Naegele's Rule. (Alternatively, to get the same result, you can take your LMP, add 1 week, and add 9 months.). 4. Choose other methods to calculate your due date if you cannot remember the date of your LMP or have irregular periods.