Pregnancy Calendar

Congratulations on your pregnancy!

Now you will want to know when your baby is due.  Our calculator can give you an estimated date if you fill in the details below:

Last Menstrual Period:
Average Length of Cycles: 28 days
Average Luteal Phase Length: 14 days
Estimated Conception:
First Trimester Ends (12 weeks):
Second Trimester Ends (27 weeks):
Estimated Due Date:
Estimated Fetal Age:

The average pregnancy is calculated at 40 weeks (or 280 days) from the start of your last menstrual period (LMP).

A full term pregnancy can last anywhere between 37 and 42 weeks, your baby will decide when they are ready to arrive into the world. On average only 5% of births take place exactly on the estimated due date.