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Conjoined twins, popularly referred to as Siamese twins, [1][2] are twins joined in utero. [a] It is a very rare phenomenon, estimated to occur in anywhere between one in 50,000 births to one in 200,000 births, with a somewhat higher incidence in southwest Asia and Africa. [5] Approximately half are stillborn, and an additional one-third die ...
- Causes
- Types of Conjoined Twins
- Diagnosis
- Conjoined Twin Separation Surgery
- Summary
- A Word from Verywell
Conjoined twins are a rare occurrence, which makes it more difficult to determine the exact cause. However, there are two theories about the possible causes of conjoined twins. Conjoined twins are always identical twins. When identical twins form in utero, one fertilized egg, called an embryo, splits into two separate individuals. The main theory f...
Conjoined twins are classified by the area of the body where they are connected. Most common types are: 1. Thoracopagus: Babies lie face to face and share a breastbone, diaphragm(breathing muscle), and upper abdominal wall. In some cases, the babies might share a heart. About 75% of conjoined twins fall into this category. 2. Pygopagus: Babies are ...
Conjoined twins are typically diagnosed early on in pregnancy, with the earliest reported diagnosis at eight weeks of gestation.Conjoined twins are diagnosed with various types of imaging, including: 1. Fetal ultrasound: High-frequency sound waves that produce an image, which can be 3D (three dimensional) or 4D (four dimensional) 2. Fetal MRI: Magn...
There are many factors that go into a decision to perform separation surgery, including the extent of shared organs and the surgeries that will be required to reconstruct body parts after separation surgery. In addition, there are ethical considerations, as surgery can result in the death of one or both of the babies. Not all conjoined twins are ca...
Conjoined twins occur very rarely. They are categorized by the area of the body that is connected. Most commonly, conjoined twins are joined at the chest. The prognosis for conjoined twins is not good. Many do not survive in utero or they die shortly after birth. However, separation surgery can be performed successfully in some cases. Conjoined twi...
Receiving the news that you're carrying conjoined twins can be overwhelming. Working closely with your care team and learning about your condition can help you know what to expect during your pregnancy.
Mar 15, 2023 · Conjoined twins describe two fully formed fetuses that are connected. Parasitic twins, on the other hand, are a type of twin where one twin is fully developed and the other is underdeveloped. The ...
Apr 4, 2023 · Delivery of conjoined twins •. Separation surgery. Conjoined twins are a rare phenomenon when twin siblings are born physically joined and share one or more body parts. The life expectancy and quality of life depend on the level of fusion and vitality of fused organs. Conjoined twins are also known as Siamese twins after the famous conjoined ...
Conjoined Twins. Conjoined twins are caused by two embryos that are joined together during fertilization, resulting in twins that are physically connected, most commonly at the abdomen, chest or head. Conjoined twins are rare. Complications can be reduced with close management from healthcare professionals. Contents Overview Symptoms and Causes ...
Dec 16, 2022 · Conjoined twins are two babies who are born physically connected to each other. Conjoined twins develop when an early embryo only partially separates to form two individuals. Although two babies develop from this embryo, they remain physically connected — most often at the chest, abdomen or pelvis. Conjoined twins may also share one or more ...
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Jul 8, 2024 · More than 70% of twin pregnancies are fraternal twins, with the majority of other twins being identical. Other types of twins—like conjoined, parasitic, and polar body twins—are extremely rare ...
