Dating pregnancy calculator

How do I calculate the due date of my pregnancy?

Calculates pregnancy dates, forward from last period or backward from due date. Enter last menstrual period (LMP), current gestational age (GA), OR expected due date to determine the other two, plus estimated date of conception.

How does the pregnancy calculator estimate a pregnancy schedule?

The Pregnancy Calculator can estimate a pregnancy schedule based on the provided due date, last period date, ultrasound date, conception date, or IVF transfer date.

How can I estimate my conception date?

You can try an online conception date calculator to estimate due date and conception date according to your last menstrual period date. Since a reliable estimated date of delivery (EDD) is immensely important, you and your doctor can account your conception date instead if you remember it exactly.

How do you determine your due date without knowing the date?

So without knowing the day of conception, how does anyone determine a due date? First day of your last period The most common way to calculate your pregnancy due date is by counting 40 weeks from the first day of your last menstrual period (LMP). And thats how most healthcare providers do it.

How do I Find my due date for my pregnancy?

To find your due date, enter the date of the first day of your last period, and select show your due date. Pregnancy normally lasts from 37 weeks to 42 weeks from the first day of your last period. You need to know the first day of your last period to use this calculator.

How do you calculate due date from last period?

First day of your last period. The most common way to calculate your pregnancy due date is by counting 40 weeks from the first day of your last menstrual period (LMP). And thats how most healthcare providers do it.

How do I calculate my pregnancy schedule?

Pregnancy Calculator. The Pregnancy Calculator can estimate a pregnancy schedule based on the provided due date, last period date, ultrasound date, conception date, or IVF transfer date.

What is the average due date of a pregnancy?

The average pregnancy lasts between 37 weeks and 42 weeks. Our calculator uses this information to give you an estimated due date. Will my baby definitely be born on my due date?

An estimated due date (EDD) is the best guess for a spontaneous onset of labor. Your due date is estimated by adding 280 days (i.e., nine months and seven days) to the first day of your LMP. By How Many Weeks Are You Pregnant?

How does the pregnancy calculator estimate a pregnancy schedule?

How is my due date determined?

How Is My Due Date Determined? Normally, your due date is 280 days (40 weeks or about 10 months -- also known as 10 lunar months) from the first day of your last period. However, if your periods are not regular or are not 28 days apart, your due date may be different from the 280-day rule.

How can my doctor determine my due date if Im irregular?

If you know you had your LMP during a particular week, your doctor can estimate your due date accordingly. If you have no idea when your last period was, your doctor may order an ultrasound to determine your due date. What if I have irregular periods or long cycles? Some women have cycles that are consistently longer than the average 28-day cycle.

How do I find out when my baby is due?

If you happen to know the day you conceived, you can count 38 weeks from that day to find your due date. (Human gestation takes about 38 weeks.) But very few expectant moms know exactly when they conceived.

How do I calculate the number of days between periods?

1 First, determine the first day of your last menstrual period. 2 Next, count back 3 calendar months from that date. 3 Lastly, add 15 days to that date if it’s your first pregnancy, or add 10 days if it’s not your first pregnancy. More ...