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How does the development of twins with two sacs and one placenta differ from twins with separate placentas?
Twins with two sacs and one placenta, known as monochorionic diamniotic twins, share a placenta but have separate sacs. This type of twin development carries a higher risk of complications compared to twins with separate placentas, known as dichorionic diamniotic twins. The shared placenta in monochorionic twins can lead to potential issues such as unequal sharing of nutrients and blood flow, which may require closer monitoring and medical intervention during pregnancy.
In the case of twins, is it common for them to have two separate sacs?
Yes, it is common for twins to have two separate sacs in a pregnancy, known as dichorionic diamniotic twins.
What is the genetic difference between identical and non identical twins?
Identical twins are formed by the separation of the same embryo containing same genetic coding. thus the the twins are identical as formed from the same embryo. But this is not the case in the non-identical twins as they are formed from the individual embro each having different genetic coding.
How does the presence of twins in separate sacs but sharing one placenta impact their development and health during pregnancy?
The presence of twins in separate sacs but sharing one placenta can impact their development and health during pregnancy because they may be at a higher risk for certain complications such as unequal sharing of nutrients and blood flow. This can lead to differences in growth and development between the twins, potentially affecting their overall health and well-being. Regular monitoring and medical care are important to ensure the best possible outcomes for both twins.
Can you explain the unique characteristics and potential risks associated with twins who share one placenta but have two separate sacs"?
Twins who share one placenta but have two separate sacs are known as monochorionic-diamniotic twins. This type of twin pregnancy is considered high-risk because the twins may develop twin-to-twin transfusion syndrome, where one twin receives too much blood flow and the other too little. This can lead to complications such as growth discrepancies, organ damage, and even fetal demise. Monitoring and early intervention are crucial in managing the potential risks associated with this type of twin pregnancy.
Does 2 sacs and one placenta mean fraternal twins?
I am pretty sure because that is how my twins are at the moment that one placenta and two sacs mean identical twins more often than fraternal and more often identical if they are the same sex
How does the development of twins with two sacs and one placenta differ from twins with separate placentas?
Twins with two sacs and one placenta, known as monochorionic diamniotic twins, share a placenta but have separate sacs. This type of twin development carries a higher risk of complications compared to twins with separate placentas, known as dichorionic diamniotic twins. The shared placenta in monochorionic twins can lead to potential issues such as unequal sharing of nutrients and blood flow, which may require closer monitoring and medical intervention during pregnancy.
Issues if twins have only one placenta?
No. Two placentas indicates dizygotic twins which always has 2 amnions and 2 chorions. This is a common misconception. My own twins are identical, yet they had separate sacs and separate placentas that implanted on polar opposite sides of the uterus. DNA tested have proven their zygosity. Whether identical twins will have their own placentas is dependent upon when the egg split. In my case, the egg probably splip immediately after conception and conception likely took place in the fallopian tube.
Do twins need to be in the same sac to be identical?
No, identical twins can be in the same or separate sacs. Identical twins form when a single fertilized egg splits into two embryos. Whether they share the same sac or have separate sacs is determined by when the split occurs during development.
How Do Fraternal Twins Occur and Identical Twins Occur?
Fraternal twins (dizygotic twins) are simply two fertilized eggs that are implanted in the uterus at the same time. Identical twins (monozygotic twins) is one fertilized egg that separates into two embryos. In most cases, identical twins share one placenta, but have separate amniotic sacs. In some cases, they have two placentas. In rare cases, they share both the placenta and the amniotic sac.
If you are an identical twin do you share a bag of fluid inside the mothers womb?
That depends on the type of twins. Fraternal twins usually have separate amniotic sacs. Identical twins usually share the amniotic sac.
In the case of twins, is it common for them to have two separate sacs?
Yes, it is common for twins to have two separate sacs in a pregnancy, known as dichorionic diamniotic twins.
Twins who delevelop in separate amniotic sacs?
Twins who develop in separate amniotic sacs are known as dizygotic or fraternal twins. This means they were conceived from two separate eggs fertilized by two different sperm cells. Dizygotic twins can have different genetic makeup and are no more similar than siblings born at different times.
How is identical twins created in the mother's womb?
With identical twins, one egg (zygote) from the mother is fertilized by one sperm from the father, and then very early in development the embryo splits and two fetuses grow. Spontaneous division of the zygote into two embryos is not considered to be a hereditary trait, but rather a spontaneous or random event. If the zygote splits very early (in the first 2 days after fertilization) they may develop separate placentas (chorion) and separate sacs (amnion). These are called dichorionic, diamniotic (or 'di/di') twins. While all fraternal twins are 'di/di', this occurs 20 - 30% of the time in identical twins. Most of the time in identical twins the zygote will split after 2 days, resulting in a shared placenta, but two separate sacs. These are called monochorionic, diamniotic ('mono/di') twins.These twins are very similar genetically, and share a single afterbirth. Very occasionally, twins will also share the same sac (fluid cavity). In about 1% of identical twins the splitting occurs late enough to result in both a shared placenta and a shared sac. These are called monochorionic, monoamniotic ('mono/mono') twins.
If you have twins in separate yolk sacs is this good?
yes
Do identical twins share the same amniotic sac?
It can be either. Sometimes they are in their own individual sac, and in other instances they share one amniotic sac.
What is the genetic difference between identical and non identical twins?
Identical twins are formed by the separation of the same embryo containing same genetic coding. thus the the twins are identical as formed from the same embryo. But this is not the case in the non-identical twins as they are formed from the individual embro each having different genetic coding.
