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- A multiple pregnancy means you are having more than one baby at the same time. This is most commonly twins, but may includes triplets, or, rarely, more.
www.rcog.org.uk/for-the-public/browse-our-patient-information/multiple-pregnancy-having-more-than-one-baby/
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Non-identical twins are more common. The babies may be of the same sex or different sexes. Are you carrying twins? You might think you're carrying more than 1 baby if: you seem bigger than you should be for your dates. twins run in your family. you have had fertility treatment.
Most women and birthing partners carrying twins, triplets or more will go on to have healthy pregnancies and healthy babies. In any pregnancy, there are possible complications to be aware of. If you are having multiple babies, you may be more likely to get some of these.
- What Is Multiple pregnancy?
- What Is The Difference Between Identical and Non-Identical Twins?
- What Happens When An Egg Is fertilised?
- What Types of Twin Pregnancy Are there?
- What Types of Non-Identical Twins Are there?
- Why Does Multiple Pregnancy occur?
- How Common Is Multiple pregnancy?
- Who Can Have A Multiple pregnancy?
- Is Antenatal Care Different in Multiple pregnancy?
- When Will My Twins Or Triplets Be born?
A multiple pregnancy is a pregnancy in which you are having more than one baby at the same time. One baby growing in the womb (uterus) on its own is called a singleton pregnancy. By far the most common type of multiple pregnancy is a twin pregnancy, when there are two babies. Having three babies in the same pregnancy is known as triplets and having...
Non-identical twins are called dizygotic twins (or fraternal twins). Triplets or higher numbers of babies are called polyzygotic twins, and this happens either: 1. Because you produced more than one egg when you ovulated; or 2. You had assisted conception and more than one fertilised egg was put into your womb (uterus). In non-identical twins each ...
When an egg is fertilised, it becomes a zygote. It immediately starts dividing, quickly increasing the number of cells. If more than one egg is available to be fertilised then two (or more) separate zygotes may start dividing side by side. If it splits completely into two separate groups of cells very early in this division then identical twin zygo...
In identical (monozygotic) pregnancies there may be one shared placenta, or the babies may have their own placentas. Where there is one (shared) placenta, this is called a monochorionic pregnancy. There will be one, shared chorion (outer membrane). When there is one chorion, there may be just one amnion (monoamniotic) with all the babies in the sam...
Dizygotic twins each have their own placenta, amnion and chorion. The same is true for non-identical triplets. Each fetus develops separately in its own sac with its own blood supply. Although the two placentas can be fused together, each connects to only one baby.
Multiple pregnancy occurs in nature. In some cases the woman produces more than one egg (ovulates). In others there is just one egg fertilised but it splits into two zygotes. Multiple pregnancy is more likely after fertility treatments, particularly assisted reproductive techniques such as in vitro fertilisation (IVF). This is because it is usual f...
Multiple pregnancy is more common in some parts of the world than in others. It is least common in Japan and most common in parts of West and Central Africa. In the UK multiple pregnancy occurs naturally in around 1 out of every 80 births, and identical twins occur only in around 1 in 400 pregnancies. The overall rate of multiple pregnancy in the U...
Any woman who can become pregnant could have a multiple pregnancy. It is more likely if: 1. You have had an assisted reproductive technique such as IVF. 2. You are over the age of 45 when you become pregnant. 3. You have a family history of twins on your mother's side. 4. You are of West or Central African origin. 5. You have had a multiple pregnan...
If you are pregnant with more than one baby, you will have more intensive antenatal care. This means you will have more check-ups and more ultrasound scans.
Twins and triplets are on average born earlier than most single babies. 60 out of 100 twin pregnancies are born before 37 weeks. About 75 out of 100 triplet pregnancies are born before 35 weeks. On average, twins are born at 37 weeks and triplets at 33 weeks, but there is wide variation in this. See the separate leaflet called Premature Labour. 1. ...
1. They are no more alike than any other siblings and can be different sexes. If a fertilised egg divides very early in the pregnancy, the identical twins can have their own placenta and sac and are then called a dichorionic pregnancy.
Twin pregnancies are the most common type of multiple pregnancies accounting for about 1% of all births. Higher order multiple pregnancies, which include triplets or more, are rare. Triplets occur in one in every eight thousand.
Dec 20, 2020 · If you’re pregnant with more than one baby, it’s called a multiple birth. Two babies are twins and three are triplets. Multiple pregnancies are becoming more common as more women are using fertility treatments and getting pregnant at an older age.
