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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 49,000 births to one in 189,000 births, with a somewhat higher incidence in southwest Asia and Africa. [ 5 ]
Oct 27, 2023 · Conjoined twins develop when an early embryo only partially separates to form two individuals and they remain physically connected. They are most often joined at the chest, abdomen or pelvis.
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- Fergus Walsh
Feb 18, 2024 · BBC News. Marieme and Ndeye were not expected to survive for more than a few days when they were born. Now aged seven, they are thought to be the only growing conjoined twins in Europe. While...
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- Lucy Owen
- Overview
- Symptoms
- Causes
- Risk Factors
- Complications
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 interna...
There are no specific symptoms that indicate a conjoined twin pregnancy. As with other twin pregnancies, the uterus may grow faster than it does with a single baby. And there may be more tiredness, nausea and vomiting early in the pregnancy. Conjoined twins can be diagnosed early in the pregnancy using an ultrasound.
Identical twins (monozygotic twins) occur when a single fertilized egg splits and develops into two individuals. Eight to 12 days after conception, the embryonic layers that split to form monozygotic twins begin to develop into specific organs and structures. It's believed that when the embryo splits later than this — usually between 13 and 15 days...
Because conjoined twins are so rare, and the cause isn't clear, it's unknown what might make some couples more likely to have conjoined twins.
Pregnancy with conjoined twins is complex and greatly increases the risk of serious complications. Conjoined babies require surgical delivery by cesarean section (C-section). As with twins, conjoined babies are likely to be born prematurely, and one or both could be stillborn or die shortly after birth. Severe health issues for twins can occur imme...
Jun 19, 2024 · Conjoined twins occur when identical twins have fused bodies before they are born. This condition has also been known as "Siamese twins," named after the first world-recognized set of conjoined twins born in 1811 in Siam, present-day Thailand.
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Oct 10, 2022 · Conjoined twins are identical twins that are physically connected to each other. Learn about the types, symptoms, diagnosis, and treatment options for this rare condition, including separation surgery.
Apr 26, 2022 · 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.
