Pregnancy Calculator by due date

Enter the mother's pregnancy information into Pregnancy Calculator by due date and it will provide an estimated conception date, birth due date, and an estimated current fetal age. Great for all those mothers-to-be!
Last Menstrual Period: 
(MM/DD/YYYY format)

Average Length of Cycles:   
 (22 to 45)
Average Luteal Phase Length:
 (9 to 16)
Estimated Conception: Estimated Due Date: Estimated Fetal Age:

Table of contents:

How is the pregnancy due date calculated?

the best way to estimate your due date is to count 40 weeks, or 280 days, from the first day of your last menstrual period (LMP). Another way to do it is to subtract three months from the first day of your last period and add 7 days.

Can you feel pregnancy symptoms at 3 weeks?

3 weeks pregnant, a belly isn't really a thing. Though you may feel a bit bloated, most pregnant women don't start to show until around week 12

How do you know how long you've been pregnant?

Date of conception: You have probably conceived around the time of your ovulation, which is around day 14 of the average 28-day menstrual cycle. If you know the exact date, allow 273 days (39 weeks) to get an estimate of your expected due date.

Can we give birth at 36 weeks?

If the baby is born this week, it is still considered premature, but usually does not require special postpartum care. All internal organs are functioning, and respiration and the immune system work independently.

What is the normal due date for pregnancy?

The average length of human gestation is 280 days, or 40 weeks, from the first day of the woman's last menstrual period. The medical term for the due date is estimated date of confinement

Why do doctors add 2 weeks to pregnancy?

Your weeks of pregnancy are dated from the first day of your last period. This means that in the first 2 weeks or so, you aren't actually pregnant – your body is preparing for ovulation (releasing an egg from one of your ovaries) as usual.