04-18-2011, 02:04 AM
if u know the LMP, first calculate EDD= +9months and 7 days.
Normal cycle days are 28 (+/- 7 days )=21-35 days cycles are considered normal.so in this case no need to add or substract any day..
If her cycles are 45 days, then add 15 days to ur EDD=corrected EDD..
Normal cycle days are 28 (+/- 7 days )=21-35 days cycles are considered normal.so in this case no need to add or substract any day..
If her cycles are 45 days, then add 15 days to ur EDD=corrected EDD..