How To Calculate Your Pregnancy Due Date
Finding out that you’re pregnant is a very happy time. There are so many things to do like buying a crib, diapers, stroller, and much, much more!
Nine months seems like an eternity when you first find out you’re pregnant, but it really is not. There are so many milestones that happen and so much to do it will go by in a flash.
So you’re pregnant, what is a due date and when is it?
Your due date is the date that is given to you of when you can expect to go into labor. The dates are not usually very accurate. More often women go into labor with 2 weeks of the expected due date.
The most accurate way to determine a due date is when the woman knows the day of conception. This rarely happens so normally due dates are determined by using the 1st day of the woman’s last period. Normally the total gestation time is added to the 1st day of the last period minus 2 weeks.
Example:
The total gestation time is 40 weeks (9 months). If the woman’s last period was on October 1st, 2005, you would add for weeks to that date and the date you would have then would be July 1st, 2006. You take away 2 weeks from this date and you have June 15th, 2006. So your due date would be June 15th.
This method is called the LMP Method (last menstrual period).
Two weeks are taken away from the 40 weeks because it is said that women can ovulate within 2 weeks of their last period.
Another interesting way to calculate your due date is called Naegle’s Rule. As with LMP, Naegle’s Rule also uses the first day of your last period.
Calculate the 1st day of your last period.
Count back 3 months from that day
Add 7 days
This is another easy way to calculate your due date.
Ultrasounds can also give an expecting mother her due date. Ultrasound technicians use the ultrasounds to determine the baby’s age by looking at different body parts and organs.
There are also many online websites for expectant mothers that offer pregnancy due date calculators. These calculators often use the LMP method by asking you to put in the first day of your last period and calculating your due date from there. The calculators not only give the mothers a due date to anticipate, but can also be used to mark the different milestones of pregnancy.
For example:
the time when a baby develops organs
2nd trimester
3rd trimester
and your due date
In ancient times women used the different phases of the moon. When a woman suspected that she could be pregnant she would look at the moon and what phase it was in. Over time she would count how many times the moon was in that phase. At the 10th time the moon entered into that phase and the 10th period she missed, the woman would know she was due soon.
Dr. Naegle (with Naegle’s Rule) determined that the ancient way was also an accurate way to determine a due date since a woman’s cycle seems to follow by the moon’s cycle.
Although the ancient way is no longer used it normally came pretty close. Whether you want to calculate the moon’s phases or use LMP to calculate it, there are many, many ways to find out a round about date as to when your new baby will be born!
Gen Mason
http://www.articlesbase.com/careers-articles/how-to-calculate-your-pregnancy-due-date-67637.html
How To Calculate Your Pregnancy Due Date
Finding out that you’re pregnant is a very happy time. There are so many things to do like buying a crib, diapers, stroller, and much, much more!
Nine months seems like an eternity when you first find out you’re pregnant, but it really is not. There are so many milestones that happen and so much to do it will go by in a flash.
So you’re pregnant, what is a due date and when is it?
Your due date is the date that is given to you of when you can expect to go into labor. The dates are not usually very accurate. More often women go into labor with 2 weeks of the expected due date.
The most accurate way to determine a due date is when the woman knows the day of conception. This rarely happens so normally due dates are determined by using the 1st day of the woman’s last period. Normally the total gestation time is added to the 1st day of the last period minus 2 weeks.
Example:
The total gestation time is 40 weeks (9 months). If the woman’s last period was on October 1st, 2005, you would add for weeks to that date and the date you would have then would be July 1st, 2006. You take away 2 weeks from this date and you have June 15th, 2006. So your due date would be June 15th.
This method is called the LMP Method (last menstrual period).
Two weeks are taken away from the 40 weeks because it is said that women can ovulate within 2 weeks of their last period.
Another interesting way to calculate your due date is called Naegle’s Rule. As with LMP, Naegle’s Rule also uses the first day of your last period.
Calculate the 1st day of your last period.
Count back 3 months from that day
Add 7 days
This is another easy way to calculate your due date.
Ultrasounds can also give an expecting mother her due date. Ultrasound technicians use the ultrasounds to determine the baby’s age by looking at different body parts and organs.
There are also many online websites for expectant mothers that offer pregnancy due date calculators. These calculators often use the LMP method by asking you to put in the first day of your last period and calculating your due date from there. The calculators not only give the mothers a due date to anticipate, but can also be used to mark the different milestones of pregnancy.
For example:
the time when a baby develops organs
2nd trimester
3rd trimester
and your due date
In ancient times women used the different phases of the moon. When a woman suspected that she could be pregnant she would look at the moon and what phase it was in. Over time she would count how many times the moon was in that phase. At the 10th time the moon entered into that phase and the 10th period she missed, the woman would know she was due soon.
Dr. Naegle (with Naegle’s Rule) determined that the ancient way was also an accurate way to determine a due date since a woman’s cycle seems to follow by the moon’s cycle.
Although the ancient way is no longer used it normally came pretty close. Whether you want to calculate the moon’s phases or use LMP to calculate it, there are many, many ways to find out a round about date as to when your new baby will be born!
Gen Mason
http://www.articlesbase.com/careers-articles/how-to-calculate-your-pregnancy-due-date-67637.html
6 Responses to “How To Calculate Your Pregnancy Due Date”
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add like 9 months to the date where u had unprotected sex
References :
The starting day of your last period… Add 7 days, then subtract three months… EX: my last period was Sept. 11th… add 7 days is sept. 18th.. then subtract three months.. June 18th is my due date…. I assure you this is correct…. OR instead of subtract 3 months you could add 9.. but that is how my doc said to do it.. either way you;ll get the same answer…
References :
Once your pregnancy has been confirmed, what you most want to know is your due date. The average length of a pregnancy is 40 weeks, or 280 days, from the first day of the last normal menstrual period. Calculating the due date, or expected date of delivery, for a pregnancy is quite simple, then, if you know that date. Simply add nine months and seven days to the date, and you’ve got your pregnancy due date.
Here’s an example of how it works: Say the first day of the last normal menstrual period was January 1st. Add seven days to that number, and you get the number 8. Add nine months, and you get October. The expected due date of that pregnancy, then, is October 8. (Some physicians use the term expected date of confinement, or EDC for short, to describe the due date.)
In reality, though, few women give birth on their exact due date. About 80 percent of babies are born within ten days of the due date. That’s a fairly large window, beginning ten days before the due date and extending out ten days after the due date. A pregnancy that occurs during this time period–that is, between 38 and 42 weeks–is called full term.
References :
http://www.howstuffworks.com
The first day of your last period
References :
1st day of your last period…..minus 3 months….. plus 7 days.
That should give you a close date.
example
dec 10 – 3 mos = sept 10 = 7 days = sept 17
References :
how to calculate your pregnancy due date ??
how to calculate your pregnancy due date… ????