Conjoined Twins Case Study

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The article I read is about Siamese twins or better known as conjoined twins. Conjoined twins form after the second week of conception, identical twins form before the first two weeks of conception. When a monozygote splits after the first two weeks of conception it doesn’t separate completely, and that’s how you end up with a conjoined twin. The conjoined twins will always be the same sex, because they came from the same egg. The twins will have to share the same placenta, amniotic sack, and there will only be one chorionic sac. Depending on what stage the monozygote separates will determine where the twins will be conjoined at. There are many classifications of conjoined twins, Isidore Geoffroy was the first teratologist to come up with classifications. Craniopagus, thoracpagus, ischipagus, omphalopagus, pygopagus, are the terms that are still used to this day. Craniopagus twins are conjoined twins that are joined together at their head. Thoracpagus is when the twins are joined together at their thoracic cavity. Ischipagus twins have two separate spinal columns, and are joined together at the inferior margins of their coccyx and sacrum. Omphalopagus twins are conjoined at their …show more content…

They were two male conjoined twins born in Thailand. King Rama II ordered them to be put to death, but later changed his mind when he realized the twins were harmless. When the twins reached there teen years they ended up becoming friends with king Rama III. Rama III often gave the twins lots of gifts, and even let them go on an exhibition tour in America and England. Chang-Eng earned a living as entertainers for four decades. They quickly became famous and treated like royalty and not monsters. They later settled in North Carolina as farmers, and married the Yates sisters. They each had separate families and produced a total of 21 children all together, but only 11 survived to maturity. Chang-Eng died January 17, 1874 at the age of

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