Pregnancy Due Date Calculator

Pregnancy Due Date Calculator

Last Period Date: Cycle Length (in days):

Your due date will appear here

 

To calculate your due date, you will need to know the date of your last menstrual period and the average length of your menstrual cycle.

To calculate your due date, follow these steps:

1. Determine the date of your last menstrual period: This is the first day of your last period.
2. Determine the length of your menstrual cycle: The length of your menstrual cycle is the number of days from the first day of your period to the first day of your next period. Most women have a menstrual cycle that lasts between 21 and 35 days, but some women may have shorter or longer cycles.
3. Calculate your due date: To calculate your due date, count back 3 months from the first day of your last menstrual period and add 7 days. For example, if the first day of your last period was January 1st, your due date would be October 8th.

Disclaimer: It's important to note that this is just an estimate, and your due date can vary by a few weeks. It's also worth noting that only about 5% of babies are born on their due date, so it's completely normal for your baby to be born a few weeks before or after your estimated due date. If you have any concerns about your pregnancy, it's always best to consult with your healthcare provider.

There are several ways to calculate the due date for a pregnancy

One of the most common methods is known as Naegele's rule, which involves using the first day of the last menstrual period (LMP) as a reference point to estimate the due date. Here's how it works:

1. Determine the first day of your last menstrual period (LMP): This is the first day of your menstrual cycle, and it's used as a reference point to calculate your due date.
2. Add 7 days to your LMP: This will give you the due date of your baby.
3. Subtract 3 months from the LMP: This will give you the approximate conception date of your baby.
4. Add 1 year to the LMP: This will give you the estimated due date of your baby.

It's important to note that the due date estimated using Naegele's rule is just an estimate, and the actual due date may be different. It's also important to remember that every pregnancy is different, and the due date can vary based on a variety of factors, including the length of the menstrual cycle and the date of ovulation. It's always a good idea to consult with a healthcare provider to determine the most accurate due date for your pregnancy.