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Facts AboutConjoined Twins

Content

Slide Three – Facts Slide Four – Formed Slide Five – Growth Slide Six – Chang and Eng BunkerSlide Seven – Brittany and Abby Hensel Slide Eight – Ronnie and Donnie Galyon Slide Nine – The End of the slide show

Facts

Facts • Birth of conjoined

twins, whose skin and internal organs are fused together are rare.

• Conjoined twins occur once every 200,000 live births.

• Overall survival rate of conjoined twins is some where between 5 and 25 percent .

Formed

Formed * Conjoined twins are

genetically identical.• They are always the

same sex.• They develop from

the same fertilized egg.

• They share the same amniotic cavity and placenta.

Growth

Growth * The woman only produces

a single egg, which does not fully separate after fertilization.

*The developing embryo starts to split into identical twins during the first few weeks after conception, but stops before the process is complete.

*The practically separated egg develops into a conjoined foetus.

Well Known Conjoined Twins

Chang and Eng Bunker Born 1811 died 1874Thai brothers born in

Siam. They were joined at the

sternum by a small piece of cartilage.

Both married and had 21 children between them.

Chang died of pneumonia but Eng refused to be separated and died three hours later.

Brittany and Abby Hensel

The Hensels were born In 1990.

In Carver County, USA.Brittany’s head is

about 15 degrees laterally outward, Abby’s is only 5 degrees

They graduated High School in 2008 and they now go to college.

Ronnie and Donnie Galyon

Born in Dayton, Ohio USA in 1951

They are the oldest living conjoined twins in the world

They live in there own house with there brother Jim.

The End

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