Calculate Your Expected date of Delivery for Pregnant Moms
Edited by aianne b., Charmed, Rich, Lynn and 28 others
Congratulations on your pregnancy! Now that you have a little one on the way, you will want to prepare for it. One of the ways you can prepare is by calculating your expected date of delivery. To do that, follow these steps and do some simple math!
- 1 How to calculate your expected date of delivery
- 2 Calculate the remaining days in your pregnancy
- 3 What does your expected delivery date mean?
- 4 Pregnancy due date calculator: calculation chart and how it works
- 5 Questions and Answers
- 5.1 If you get pregnant on November 16, would you give birth on July 16?
- 5.2 Calculation math tricks for pregnancy period: Quick calculation method?
- 5.3 Last menstruation was on June 28, 2013; what is the expected date of delivery?
- 5.4 Due date is 7/27/14 what is conception date?
- 5.5 Why is my due date April 4 when my last period was June 28?
- 5.6 My last menstrual date was on the 28th of December. When should I start feeling baby kicks?
- 5.7 I went to the health department and they told me I got pregnant June 28th and now its July 27th and they said I'm 6 weeks?
- 5.8 When did I get pregnant? I'm lost and it is causing problems with my partner, went to 2 different hospitals and they have different due dates and timing?
- 5.9 If my due date is September 7, which month do you think I was pregnant?
- 5.10 I don't remember my last period date but I am expected to give birth in April twenty-seventh or from the fifteenth so when did I get pregnant?
- 5.11 How to calculate EDC using Naegele's rule?
- 5.12 Please help me figure out my delivery date?
- 5.13 Please, I can't use my pad well, can you teach me and please I started my menses on 20 February, when should I expect it to end?
- 5.14 How do I know if its an implantation bleeding?
- 5.15 I need to know roughly when I conceived?
- 5.16 My impregnated was on July 24. I would like to know the expected date of delivery?
- 6 Comments
How to calculate your expected date of delivery
- 1Some women track their periods every month on a calendar or in a notebook. If you do not do that, do your best to remember the first day of your period. You may remember what you were doing that day or might even ask your partner (they may remember better than you do). Although your menstruation period can take 3 - 5 days on average, the date you want to know is the first day.Determine the date of your last menstruation period.
- 2Some women experience light bleeding for a week or so when implantation first occurs. This is not a true period - you'll want to think back to the last real period before this.Disregard implantation bleeding.
- 3Subtract 3 months from the first day of your most recent period.
- 4Add 7 days.
- 5Add another year.
For example, if your last menstruation period began on July 6, 2013, three months before that is in April, plus 7 days is the 13th. Adding a year gives you an expected delivery date of April 13, 2014.
Some things to keep in mind
- 1This is because we assume conception occurred within 14 days after the start of your monthly period.Why do we add 7 days?
- 2If your last menstrual period was in January, February, or March, there is no need to add an additional year. For example, if you have February 9, 2013, you move 3 months backward to November, add 7 days and you get 16. Since February falls in the first three months of the year there is no need for you to add 1 year: your expected date of delivery is November 16, 2013.What if your date falls within the first three months of the year?
Calculate the remaining days in your pregnancy
- 1Convert the months, weeks, and days that have passed since conception into days. For example, someone pregnant for three months, two weeks, and three days is about 108 days into the cycle.Count the days you've already been pregnant.
- 2The estimated duration of pregnancy is nine months, which equals 280 days. In the case of our example of 108 days, that means there are 172 days remaining until the estimated due date.Subtract the total days pregnant from 280.
- 3Some physicians prefer to base pregnancy on 10 months instead of nine. In this case use 300 instead of 280 days as the duration value. 300 - 108 = 202 days remaining until the estimated due date.Optional 10 months calculation.
What does your expected delivery date mean?
The due date is also called Expected date of confinement (EDC) by physicians. However, the due date is an estimate of when you will give birth, and not a guarantee that the baby will come on that specific day.
In fact, it's pretty rare for a woman to give birth on her exact due date. 80% of women give birth within 10 days of their due date, and 20% of women deliver earlier or later than 10 days. Knowing your due date will help the would-be mother to plan ahead, but it should not be expected to be exact.
Pregnancy due date calculator: calculation chart and how it works
In this part, you will learn how to use a pregnancy due date calculator.
Take note that this method is based on the 28-day cycle, and should not be used as a replacement for the advice of your doctor or midwife.
Normal delivery may happen as early as two weeks prior to or following the estimated due date. Delivery dates also vary based on the length of each woman's menstrual cycle. The best way to get a good estimate is by asking a doctor.
Questions and Answers
If you get pregnant on November 16, would you give birth on July 16?
I am not sure when my delivery date will be and confused by the charts above.
As explained in the article, you will subtract three months and add seven days to your last menstrual period. If you mean that your last menstrual period was November 16, then you are expected to deliver your baby on August 23. However, you may also deliver on an earlier or later date, depending on many factors, including, but not limited to the number of times you've been pregnant and reached full-term pregnancy, whether there are any complications, etc.
The answer is no. The normal number of weeks for pregnancy is 40 weeks or about 280 days from your last menstruation period. If a woman gets pregnant, the pregnancy hormones take over preventing a woman to have a menstruation. In regards to your query, if you get pregnant on the 16th of November and you have a normal 28 days menstruation cycle, your estimated date of birth will be on August 23 following the Naegele's Rule.
The Naegele's Rule is the standard method used in determining the estimated date of delivery for women who have a normal 28 days menstruation cycle. The equation in Naegele's Rule is simply deducting three months from the date of your last menstruation then add 7 days and 1 year which you'll come up with the date August 23 which greatly contradicts your estimated date of birth July 16.
Calculation math tricks for pregnancy period: Quick calculation method?
Is there a quick calculation method? I'd prefer something less math intensive.
One of the quickest and most efficient ways in calculating the estimated pregnancy period is the Naegele's Rule. This rule is described in the steps above. It was devised by Franz Karl Naegele, a German obstetrician.
The simple and quick mathematical formula in Naegele's Rule is simply determined using your last date of your menstruation period, deduct three months then add seven days and one year to estimate the date of birth or delivery.
The usual date of birth is approximately 40 weeks or 280 days from the last menstruation period. However, the Naegele's Rule is only efficient in women who have a regular 28-day menstrual cycle.
See more questions like this: Hello sir, I forgot my last period date?
Last menstruation was on June 28, 2013; what is the expected date of delivery?
I am trying to calculate my delivery date, but the charts are confusing, and I keep getting different results. Can you please help me figure out when my delivery date is?
Your expected date of delivery is April 04, 2014. It is easy to calculate. Follow the formula provided below:
From the date of your last menstruation, which is June 28, 2013, just move three months backward then you will have March 28, 2013, and then add seven days, and you will have April 4, 2013. Add one year, since you will give birth in the year 2014, so your expected date of delivery is April 4, 2014.
See more questions like this: If my LMP was on the 04 DEC 2013 when is my EDD
See more questions like this: My last menstrual was on December 14, 2013?
Due date is 7/27/14 what is conception date?
I figured out my delivery date, but I am still not sure when the actual conception date is.
According to this information, the conception date is around November 26th or 27th. This is approximately 9 months back from your due date in order to determine the date of conception.
Why is my due date April 4 when my last period was June 28?
I don't understand why my delivery dates are different than my menstrual cycle dates.
This is because the date of your last menstrual is not the date that you became pregnant, the date that determines your due date will be the date of conception or when the sperm entered your egg successfully.
See more questions like this: When is my baby due? How far along am I
My last menstrual date was on the 28th of December. When should I start feeling baby kicks?
Now it's the end of April. Am I not supposed to be feeling the baby kick by now?
You should be expecting to feel that around the 5th or 6th month when your baby has become much bigger. Right now, you are just at the end of your 4th month so you cannot expect to start feeling the baby kick.
I went to the health department and they told me I got pregnant June 28th and now its July 27th and they said I'm 6 weeks?
That doesn't add up is there any way you could tell me why they add two more weeks on?
Healthcare providers usually add two weeks to your conception date because they count the first day of pregnancy as the first day of your last menstrual period. It does not necessarily correlate to the day you conceived. One reason they do this is that many women do not have a 28-day menstrual cycle where they ovulate at day 14. This also takes into consideration that sperm can live in your body for up to a week. They add these extra two weeks when they figure out your due date.
When did I get pregnant? I'm lost and it is causing problems with my partner, went to 2 different hospitals and they have different due dates and timing?
My last period began on June 19th or June 20th for sure, my doctor says I'm about 12weeks and 4days and my due date is around March 26-27, 2015. Now the problem is when I went to go get my ultrasound somewhere else I was told I'm around 14 weeks pregnant and my new due date might be around March 13, 2015. I'm lost I don't know what to believe and it's causing confusion with my partner. I need to know about what time did I get pregnant this is my first and I'm confused. One doctor is telling me one thing and my doctor is saying something different. Is it possible I was already pregnant and had my menstrual cycle still on a regular day
There are a few possibilities that can explain this, but you will need to ask each doctor for clarification. Many doctors add two weeks to your due date, counting the date of conception as the first day of your last monthly period. Ask your doctors if they are going by the date of the ultrasound, or if they are adding days according to your last period. According to WebMD, you cannot have a full, regular period while you're pregnant, but you can have implantation bleeding or light spotting for a few days. Ask your doctor to be sure, and if your partner is having doubts, consider bringing him with you to an appointment so that he can hear the explanation from your doctor.
If my due date is September 7, which month do you think I was pregnant?
I saw my last normal period around November 20 or 25
Assuming you had an average 28 day menstrual cycle with ovulation on day 14, it's likely that you became pregnant in the month of December. Even if you ovulated later, it is still likely that you conceived sometime in December. You'll need to consult with your doctor to be sure.
I don't remember my last period date but I am expected to give birth in April twenty-seventh or from the fifteenth so when did I get pregnant?
When was my conception date or month?
The conception date is 40 weeks before the due date. If your due date is April 27, 2016, and you had an average 28-day menstrual cycle, you likely conceived between August 1 and August 9. If your due date is April 15, 2016, you likely conceived between July 20 and July 28.
See more questions like this: Had my last period on Feb, 10 and I am pregnant how many months are those
See more questions like this: I had my last period on 7 and ended 10 March and now is 12 of April, is it possible that I can be pregnant?
How to calculate EDC using Naegele's rule?
How do I calculate the EDC using Naegele's rule if a woman has an irregular menstrual cycle?
Naegele's rule is not accurate if you do not have a regular cycle, but you can use another method known as Parikh's formula. To use Parikh's formula, add 9 months to the first day of your last period, subtract 21 days, then add the number of days in your average menstrual cycle. If your cycles were different from month to month, average the number of days for the last few cycles. For example, if your last few cycles were 26 days, 33 days, and 29 days, you would add 29 days.
Please help me figure out my delivery date?
My last month when I saw my period was October. The first day of my menstruation was 10th of October, can you please help.
Many healthcare providers count the due date as 40 weeks after the first day of your last period. This would give you an estimated due date of July 17; however, you need to see your doctor to be sure, and the majority of women do not give birth exactly on their dates.
Please, I can't use my pad well, can you teach me and please I started my menses on 20 February, when should I expect it to end?
Menstrual period about females
The average menstrual period lasts between 5 and 7 days. When shopping for pads, choose the correct absorbency level for your flow. Most women have varying flow levels throughout their periods, so you may want to buy pads for both heavier and lighter flow. To use a pad properly, remove the adhesive backing and place it in your underwear. Change your pad every few hours or as often as needed for good hygiene. Don't use a pad longer than 8 hours for sanitary reasons. To dispose of used pads, fold it in half so that only the adhesive side is exposed. Wrap it in a few layers of toilet paper or in the plastic packaging that new pads are wrapped in. You can also put it in a plastic or paper bag. Do not flush a pad down the toilet. Throw it in a lined trash bin, preferably one with a lid to keep pets out of it, or you can put it in a cabinet under the sink. You'll want to dispose of the trash more often when you're on your period.
How do I know if its an implantation bleeding?
I had a heavy 7 day period in May. Then in June, 4 weeks later I had a light 2 day period, which month would I work my pregnancy from
You would factor in the due date using the May menstrual cycle. The June cycle was more like break through bleeding if you became pregnant in the May cycle.
I need to know roughly when I conceived?
My LMP was 15th Feb. My 1st scan said EDD 20th Nov and other 2 19th November - sounds good. Had intercourse on 21st or 22nd cannot remember and then again on March 6th (with protection). According to all the calculation including my LMP and Ultrasound calculation, my conception should be around 26th Feb - 1st March. Please help me determine when had I likely conceived?
The conception date likely occurred from the 21st or 22nd. That does not mean you can completely rule out March 6th but the odds are more in favor of the February dates and not the March 6th.
My impregnated was on July 24. I would like to know the expected date of delivery?
I would like to know the expected date of delivery?
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Recent edits by: Alma, Ogechukwu, hitjii