What Is The Maximum Pregnancy Duration? - Aljazeera medical center

How long is full term? – Pregnancy lasts for about 280 days or 40 weeks. A preterm or premature baby is delivered before 37 weeks of your pregnancy.

Extremely preterm infants are born 23 through 28 weeks. Moderately preterm infants are born between 29 and 33 weeks. Late preterm infants are born between 34 and 37 weeks.

Babies born before 39 weeks have a greater chance of breathing problems, low blood sugar and other problems that may result in being admitted to a neonatal intensive care unit (NICU).
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Contents

0.1 What is the longest pregnancy can last?
- 0.1.1 How long is too long pregnancy?

1 Is 40 weeks pregnant normal?
2 Can I be 10 months pregnant?
- - 2.0.1 Can pregnant reach 10 months?
  - 2.0.2 What is a long pregnancy called?
3 Is 41 weeks pregnant normal?
- - 3.0.1 What causes long pregnancy?
  - 3.0.2 Why do babies come late?
4 Is first baby usually late?
- 4.1 Which week delivery is normal? – Dr. Mini Salunkhe
5 Can you be pregnant for 9.5 months?
- - 5.0.1 What happens at 42 weeks of pregnancy?
  - 5.0.2 What happens at 40 weeks?
- 5.1 What is the 9 months of pregnancy called?

What is the longest pregnancy can last?

Most pregnancies last 37 to 42 weeks, but some take longer. If your pregnancy lasts more than 42 weeks, it is called post-term (past due). This happens in a small number of pregnancies. While there are some risks in a post-term pregnancy, most post-term babies are born healthy.

Your health care provider can do special tests to check on the health of your baby. Keeping a close eye on the baby’s health will help increase the chance of good outcomes. Many women who go past 40 weeks are not really post-term. Their due date was just not calculated correctly. After all, a due date is not exact, but an estimate.

Your due date is estimated based on the first day of your last period, the size of your uterus (womb) early in your pregnancy, and with an ultrasound early in pregnancy. However:

Many women cannot remember the exact day of their last period, which makes it hard to predict a due date.Not all menstrual cycles are the same length.Some women do not get an ultrasound early in pregnancy to establish their most accurate due date.

When a pregnancy truly is post-term and goes past 42 weeks, no one knows for sure what causes it to happen. If you have not given birth by 42 weeks, there are greater health risks for you and your baby. The placenta is the link between you and your baby.

May not grow as well as before.May show signs of fetal stress. This means the baby’s heart rate does not react normally.May have a harder time during labor.Has a higher chance of stillbirth (being born dead). Stillbirth is not common but begins to increase the most after 42 weeks gestation.

How long is too long pregnancy?

What are the risks? – Between 41 weeks and 41 weeks and six days, a pregnancy is called late-term. When a pregnancy reaches 42 weeks and beyond, it’s postterm. Late-term and postterm pregnancy can raise the risk of some health problems, including:

Larger than average birth size (fetal macrosomia). This increases the chance that you may need forceps, a vacuum device or another instrument to assist with the birth. It may raise the risk of requiring a C-section. A larger baby is more likely to get a shoulder stuck behind your pelvic bone during delivery (shoulder dystocia)
Postmaturity syndrome. This condition is marked by decreased fat beneath the baby’s skin; a lack of a greasy coating (vernix caseosa); decreased soft, downy hair (lanugo); and staining of the amniotic fluid, skin and umbilical cord by the baby’s first bowel movement (meconium)
Low amniotic fluid (oligohydramnios). This can affect the baby’s heart rate and compress the umbilical cord during contractions

Late-term and postterm pregnancies can cause problems related to delivery. Some mothers may experience:

Severe vaginal tears
Infection
Postpartum bleeding

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Is 40 weeks pregnant normal?

You at 40 weeks – Pregnancy normally lasts about 40 weeks – that’s around 280 days from the first day of your last period. Labour usually starts a week either side of this date, but you might go overdue. Your doctor may suggest inducing labour – it’s your choice whether to have this or not. Read Choices when pregnancy reaches 41 weeks (PDF, 536kb) to find out more about your options.
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Can I be 10 months pregnant?

Is a pregnancy 9 or 10 months? – Your 40 weeks of pregnancy are counted as nine months. That’s because each month (except February) is about 4.3 weeks long.
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Can pregnant reach 10 months?

Even though popular belief says that pregnancies last 9 months, actually it is 10 months. The rationale for this is that, from the medical viewpoint, gestational age is counted from the date of the last menstrual period (LMP), This adds about 2 more weeks to the total length of pregnancy, since ovulation and fertilization occur two weeks after the LMP.

Although the average duration of a full-term pregnancy is 40 weeks, which equals 10 months approximately, labor typically occurs anywhere between weeks 37 and 42.
The reason why pregnancies are monitored weekly is because it allows for a more accurate follow-up.
Given that fetal development is constant while pregnant, examining it in small time periods is more useful.

Provided below is an index with the 8 points we are going to expand on in this article. Contents

1. 2. 3. 3.1. 3.2. 3.3. 3.4. 4. 5. 5.1. 5.2. 5.3. 6. 7. 8.

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What is a long pregnancy called?

The normal duration of pregnancy is 37 to 42 weeks, which is referred to as ‘term.’ A postterm pregnancy, also called a prolonged pregnancy, is one that has extended beyond 42 weeks or 294 days from the first day of the LMP. As many as 10 percent of pregnant people give birth postterm.
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Is 41 weeks pregnant normal?

At 41 weeks pregnant, it is considered a late-term pregnancy but is still within the normal range. Even though doctors estimate your due date to be at 40 weeks, it’s just that — an estimate. As frustrating as it can be to continue to have to wait to welcome your new baby into the world, it’s completely normal.
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What causes long pregnancy?

Key points about post-term pregnancy –

A pregnancy that lasts more than 42 weeks is called post-term. Healthcare providers don’t know why some women carry a pregnancy longer than others. You may need tests to watch for signs of problems. If tests find that it is no longer healthy for your baby to stay in your uterus, your healthcare provider may induce labor to deliver the baby.

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Why do babies come late?

The last few days of pregnancy are an exciting time. But when your due date has passed, waiting for labor to start can be stressful too. Many parents-to-be become anxious. If there are no specific problems, the baby is very probably doing fine, though. When a pregnancy continues its full normal course (about 40 weeks), it is called a term pregnancy or full-term pregnancy.

If a baby is born before 37 completed weeks of pregnancy, it is considered to be a preterm birth.
Being born too early is associated with various risks for the baby.
A pregnancy that continues for longer than 42 weeks is called a post-term, prolonged or overdue pregnancy.
This definition may vary from country to country.

About 60 out of 100 women give birth on or before their given due date. In another 35 out of 100 women, contractions start on their own within two weeks of the due date. But it takes longer in about 5 out of 100 women. The reason why the baby is overdue is usually not known.
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Is first baby usually late?

Yes, and also more likely to be early. But just a little. – If you are pregnant with your first child, you might have heard that first babies are more likely to be late. Also, you might have heard that they are more likely to be early. As it turns out, both are true.

If “early” means preterm — before 37 weeks of pregnancy — first babies are more likely to be early. Based on live births recorded in the National Survey of Family Growth, about 12% of first babies are born preterm, compared to 10% of other babies.And if “late” means after 40 weeks, first babies are more likely to be late: about 15%, compared to 10% of other babies.

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The following figure shows the distribution of pregnancy length for live births (excluding multiple births and deliveries by C-section): Distribution of pregnancy lengths for full-term single births. The shaded areas show 90% confidence intervals. First babies are less likely to be “on time” at 39 weeks, and more likely to be a little late, between 41 and 43 weeks. Among full-term pregnancies, first babies are born about 1.3 days later on average.

But the average doesn’t tell the whole story.
Suppose you are at the beginning of Week 37.
The average time until delivery at this point is 2.8 weeks.
Two weeks later, at the beginning of Week 39, the average remaining time is 1.2 weeks.
As you expect, with each week that goes by, the average remaining time goes down.

But then it stops. The following figure shows the cruelest statistic in obstetrics: the average remaining time computed at the beginning of each week of pregnancy: Average remaining time at the beginning of each week of pregnancy, for live births, excluding multiple births and deliveries by C-section. Between Weeks 39 and 43, the remaining time until delivery barely changes. Time goes by, but the finish line keeps moving into the future.

At Week 39, if you ask a doctor when the baby will arrive, they say something like “Any day now.” If you ask again at Week 40, they give the same answer. And again at Week 41. That might be frustrating to hear, but they are right; for almost five weeks, you are always one week away. The situation is a little worse for first babies.

The following figure shows average remaining time for first babies and others: Average remaining time at the beginning of each week of pregnancy for first babies and others. At the beginning of Week 39, the average remaining time is 1.3 weeks for first babies and 1.1 weeks for others. That difference is about 36 hours. The gap persists for a week or so, but after Week 41, first babies and others are indistinguishable. Probability of delivering in the next week, computed at the beginning of each week. At the beginning of Week 37, you can pack a bag if you want to, but there is only a 6% chance you will need it, first baby or not. At the beginning of Week 38, the chance of delivering in the next week is about 11%, not much higher.

But at the beginning of Week 39, it is substantially higher: 54% for first babies and 61% for others. This gap persists for a week or so; then after Week 41, the two curves are effectively the same. The results in this article might reflect real biological and medical differences between first babies and others.

Which week delivery is normal? – Dr. Mini Salunkhe

In that case, they are likely to be predictive: if you are expecting your first baby, you will have to wait a little longer, on average, than for subsequent births. But these results might be due to measurement error.

By convention, the duration of pregnancy is measured from the first day of the mother’s last menstrual period. The reported lengths might not be precise and might be less precise for first-time mothers.Also, NSFG data is based on interviews, not medical records, so it relies on the memories of respondents. Reported lengths might be less accurate for first babies.

But even if measurement errors are different for first babies, it’s not clear why they would be biased toward longer durations. The apparent differences between first babies and others might also be caused by a confounding factor related to pregnancy length.

If a woman’s first baby is delivered by C-section, subsequent deliveries are more likely to be scheduled and less likely to be late. I excluded deliveries by C-section for this reason.If first babies are less likely to be induced, more of them would be allowed to be late. I don’t know a reason they would be, but the dataset doesn’t have information on induced labor, so I can’t confirm or rule out this possibility.

The results I’ve presented are statistically significant, which means that if there were no difference between first babies and others, we would be unlikely to see these gaps. The results are also consistent over the course of the survey, from 2002 to 2017.

So it is unlikely that the apparent differences are due to random sampling. This article is based on a case study in my book, Think Stats: Exploratory Data Analysis in Python, which you can download at no cost from Green Tea Press, It is also available in paper and electronic formats from O’Reilly Media ( Amazon affiliate link ).

I published a similar analysis (based on older data) in my blog, Probably Overthinking It, where you can read more articles on data science and Bayesian statistics. If you enjoyed this article, you might also like ” The Inspection Paradox is Everywhere “, which is about a surprisingly ubiquitous statistical illusion.

I used data from the National Survey of Family Growth (NSFG), which “gathers information on family life, marriage and divorce, pregnancy, infertility, use of contraception, and men’s and women’s health.” The dataset includes records of 43 292 live births, of which I excluded 737 multiple births and 11 003 deliveries by C-section.

I also excluded 3 cases where the duration of pregnancy was reported to be 50 weeks or more. This analysis is based on the remaining 31 906 cases. The NSFG is representative of United States residents, but it uses stratified sampling, so some groups are oversampled.

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I used weighted resampling to correct for oversampling and to generate the confidence intervals shown in the figures. The details of data cleaning, validation, and resampling are in this Jupyter notebook, The details of the analysis are in this notebook, Allen Downey is a Professor of Computer Science at Olin College in Massachusetts.

He and his wife have two daughters: the first was born a week early; the second was two weeks late, after a little encouragement.
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Can you be pregnant for 9.5 months?

The first few months of pregnancy can be a really exciting time, and one piece of information that can feel particularly crucial is your due date, Pop culture has long portrayed pregnancy as a nine-month countdown to birth, But how long is pregnancy? Working this out can actually be a little bit more complicated than that.

From a medical standpoint, doctors always talk in weeks and days,” says obstetrician, gynecologist (OB-GYN), and Flo medical board member Dr. Charlsie Celestine, “A full-term pregnancy is 40 weeks long, which equals 10 months, Yet commonly, people talk about pregnancy as being nine months long.” Hang on.10 months, not nine? How can that be the case? According to the National Health Service in the United Kingdom, the average length of human gestation is 280 days or 40 weeks, and that time starts from the first day of your last period, when you’re not technically pregnant yet.

That’s because ovulation (which happens midway through your cycle) and fertilization haven’t occurred yet — but more on that later. No two pregnancies are the same, and pregnancies can vary in length, Here, Dr. Celestine explains why pregnancy is often referred to as nine months and how your due date is calculated.
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What happens at 42 weeks of pregnancy?

Your baby at week 42 of pregnancy – At 42 weeks of pregnancy, your baby is still growing. At this point, you may choose to wait until your baby comes out or you may choose to be induced. There’s a risk of stillbirth if you are over 42 weeks of pregnancy. However, most babies remain healthy.
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What happens at 40 weeks?

3rd trimester pregnancy symptoms (at 40 weeks) – Do you feel like you’ve got PMT? Or do you have lower backache? These could be early signs of labour. Check out these,

Your signs of pregnancy could also include:
You may also experience symptoms from earlier weeks, such as:

Your baby, or foetus, is around 51.2cm long from head to heel, and weighs about 3.5kg. That’s approximately the size of 2 romano peppers and the weight of a small pumpkin. Your baby is getting rather squashed up now, but should still be moving around in their usual pattern. It’s a good time to tone up your pelvic floor muscles. can help to prevent leakage when you laugh, sneeze or cough. Get the muscles going by pretending that you’re having a wee and then stopping midflow. To keep bones and muscles healthy, we need vitamin D.

From late March/early April to the end of September, most people make enough vitamin D from sunlight on their skin. However, between October and early March, you should consider taking a daily vitamin D supplement because we cannot make enough from sunlight. Some people should take a vitamin D supplement all year round, You just need 10 micrograms (it’s the same for grown-ups and kids).

It’s recommended that you, You could start off with just 10 minutes of daily exercise – perhaps take a brisk walk outside. Check out online exercises (scroll to the pregnancy section). Listen to your body and do what feels right for you. Don’t overdo it, particularly in these last few weeks – listen to your body.

There’s no need to eat for 2. Now you’re in the 3rd trimester, you may need an extra 200 calories a day, but that’s not much. It’s about the same as 2 slices of wholemeal toast and margarine. Try to eat healthily, with plenty of fresh fruit and veg, and avoid processed, fatty and salty foods. You may be able to get free milk, fruit and veg through the scheme.

How are you today? If you’re feeling anxious or low, then talk to your midwife or doctor who can point you in the right direction to get all the support that you need. You could also discuss your worries with your partner, friends and family. You may be worried about your relationship, or money, or having somewhere permanent to live.

Don’t keep it to yourself.
It’s important that you ask for help if you need it.
Having another baby is probably the last thing on your mind.
However now is a good time to start planning you would like to use after your baby is born.
Getting pregnant again could happen sooner than you realise and too short a gap between babies is known to cause problems.

Talk to your GP or midwife to help you decide. You will be offered newborn screening tests for your baby soon after they are born. These screening tests are recommended by the NHS. This is because these tests can make sure that your baby is given appropriate treatment as quickly as possible. Get personalised emails for trusted NHS advice, videos and tips on your pregnancy week by week, birth and parenthood. : 40 Weeks Pregnant | Pregnancy | Start for Life
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What is the 9 months of pregnancy called?

(2020). Third trimester fetal development.
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Mujahid Karam Ba