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Due Date Calculator

Due Date Calculator (Pregnancy Calculator)

Use this calculator to determine the milestones during your pregnancy. Your health care provider uses the number of weeks since your last menstrual period to describe how far along you are in your pregnancy.

Enter the first day of your last menstrual period, then press 'Calculate'.

Month: Day: Year:

Calculated Result

Conception likely occurred around:
(Approximately two weeks after
your last menstrual period)

Period of greatest risk for birth defects:
Five to ten weeks gestational age (number of weeks since your last menstrual period)
to

Beginning of organ formation: Five Weeks
Gestational Age

Major organs have formed: Ten Weeks
Gestational Age

End of first trimester
(12 weeks) - Risk of
miscarriage decreases: 11 to 14 Weeks
Gestational Age

Some preemies can now
survive (23 weeks): 23 Weeks
Gestational Age

End of second
trimester (27 weeks):

Estimated due date
(40 weeks - full term):

Due date calculation:
The standard method to calculate your official due date is to count ahead 280 days from the first day of your last menstrual period(LMP).

A second method for calculating your due date you can probably do in your head! Just take the date(day number) of your LMP and add 7, then subtract 3 months.

Example:

LMP(Last Menstrual Period): January 1
Add 7: January 8 (1+7)
count back 3 months: October 8.

Note:
The due date is based on a 28-day menstrual cycle and usually not all women have 28-day cycles. The due date result is only an approximation. Your actual delivery date could change up to two weeks before or after this date.

Also refer the Recommended Dietary Intakes for females during pregnancy.
And also get a quick reference to the Nutrient Sources page
Find nutrient value for common foods

Top 10 signs of pregnancy are: