CALCULATION OF THE EXPECTED DATE OF
DELIEVERY(EDD)
it is very simple to
calculate expected date of delievery. this is done by NAEGELE''S FORMULA
in this we add 9 calender months and 7 days to the first day of the last period.
EXAMPLE ~~suppose a patint or expecting lady had her first day opf last menstrual period on 1 january.then edd will be adding 9 calender month comes(1+9month) 1st oct .then furthr add 7 days that comes 8th oct .....it is her expected delievery date