- published: 11 Jan 2016
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Conjoined twins are identical twins joined in utero. An extremely rare phenomenon, the occurrence is estimated to range from 1 in 49,000 births to 1 in 189,000 births, with a somewhat higher incidence in Southeast Asia, Africa and Brazil. Approximately half are stillborn, and an additional one-third die within 24 hours. Most live births are female, with a ratio of 3:1. Most stillborns are male.
Two contradicting theories exist to explain the origins of conjoined twins. The more generally accepted theory is fission, in which the fertilized egg splits partially. The other theory, no longer believed to be the basis of conjoined twinning, is fusion, in which a fertilized egg completely separates, but stem cells (which search for similar cells) find like-stem cells on the other twin and fuse the twins together. Conjoined twins share a single common chorion, placenta, and amniotic sac, although these characteristics are not exclusive to conjoined twins as there are some monozygotic but non-conjoined twins that also share these structures in utero.
Abigail Loraine "Abby" Hensel and Brittany Lee Hensel (born March 7, 1990) are dicephalic parapagus twins, meaning that they are conjoined twins, each of whom has a separate head, but whose bodies are joined. They are highly symmetric for conjoined twins, giving the appearance of having just a single body without marked variation from normal proportion. In fact, several vital organs are doubled up; each twin has a separate heart, stomach, spine, lungs, and spinal cord.
Each twin controls her half of their body, operating one of the arms and one of the legs. This means that as infants, the initial learning of physical processes that required bodily coordination, such as clapping, crawling, and walking, required the cooperation of both twins. While each is able to eat and write separately and simultaneously, activities such as running and swimming must be coordinated and alternate symmetrically. Other activities as diverse as brushing hair and driving a car require that each twin perform a sequence of separate actions that coordinate with the other.
Twins are two offspring produced by the same pregnancy. Twins can either be monozygotic ("identical"), meaning that they can develop from just one zygote that will then split and form two embryos, or dizygotic ("fraternal"), meaning that they can develop from two different eggs; each are fertilized by separate sperm cells.
In contrast, a fetus which develops alone in the womb is called a singleton, and the general term for one offspring of a multiple birth is multiple.
The twin birth rate in the United States rose 76% from 1980 through 2009, from 18.9 to 33.3 per 1,000 births. The Yoruba have the highest rate of twinning in the world, at 45–50 twin sets (or 90–100 twins) per 1,000 live births, possibly because of high consumption of a specific type of yam containing a natural phytoestrogen which may stimulate the ovaries to release an egg from each side.
In Central Africa there are 18–30 twin sets (or 36–60 twins) per 1,000 live births. In Latin America, South Asia, and Southeast Asia, the lowest rates are found; only 6 to 9 twin sets per 1,000 live births. North America and Europe have intermediate rates of 9 to 16 twin sets per 1,000 live births.
Siamese (/ˌsaɪəˈmiz/), most commonly refers to:
Twins are two offspring produced in the same pregnancy.
Twins may also refer to:
Top 10 incredible siamese conjoined twin brothers and sisters to have existed in the world. Subscribe to our channel: http://goo.gl/9CwQhg Other Videos You Might Like 10 Mind Blowing Facts About Twins https://youtu.be/H6oWBZH8ZW8 10 Women You Won't Believe Exist https://youtu.be/c5SKuiMrEHw Description: Conjoined twins have been a medical marvel for several centuries. The phenomenon of conjoined or Siamese twins is exceptionally rare, so when there is a set that is born, the world turns their cameras onto the little tykes. Unfortunately, conjoined twins tend to have shorter life spans, depending on where they are attached at the body. Sometimes, it is just too risky to perform surgery on both babies and adults, and the twins are better off staying attached, despite any yearning to be se...
From the attached sisters who fell in love with the same man to the twins that shared the same brain, here are the Most Severe Cases of Conjoined Twins. Subscribe to Knowledge Feed for Myth Mania Mondays, Fact Tree Tuesdays, Wildlife Wednesdays, Origin Thursdays, Fun Fact Fridays & Wildcard Weekends. 7. Twins for life! Conjoined twins from India, Sahu and Shivanath Sahu are 12 years old share the same pair of legs but had healthy lungs and hearts which allowed them to turn out equally as healthy. The villagers there believed that they were divine incarnations and were worshipping them as a result. Who would want to be separated if that’s the case?! Doctors think they could disattached them but they are happy with each other and declined the offer. They want to live together until t...
No one can imagine what it is like to be joined to another person, 24 hours a day. But although they are rare, conjoined twins occur once in approximately every 200,000 live births. Three out of four are stillborn, or die within the first 24 hours. And for the rest, comes the agonising decision for the parents and doctors – whether to keep the twins together, whether to separate them, whether to sacrifice the life of one for the other. The Secret Life Of Siamese Twins is one of most comprehensive documentaries ever produced on this subject, combining in-depth interviews and footage from the very people who make these decisions and the people it affects – from surgeons to conjoined twins themselves. This startling documentary offers a unique insight into the condition. Witness the agonisin...
Although they are two completely separate people, these accomplished teens share a body and have just two arms and legs between them. Born in 1990, the girls have been brought up in a small, tightly knit community in Minnesota, almost completely protected from prying eyes and inquisitive stares. To their friends and family, they are distinct people with very different personalities, needs, tastes and desires. But to the outside world they are a medical mystery -- particularly given the fact that they can do virtually all the same things as their friends, including playing the piano, riding a bike, swimming and playing softball "Their personalities make them inspirational," says their mother Patty. "They never give up; anything they want to do, they go out and do it." The medical worl...
Liz Collin catches up with two girls whose medical story captured worldwide attention (3:52). WCCO 4 News At 10 – May 24, 2016
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CNN's Dr. Sanjay Gupta meets the McDonald family on the eve of the biggest day of their lives, when their conjoined twins Anias and Jadon are to be separated.
Personal life, all the videos and photos Abigail, and Brittany, as well as discussions on Abicte. http://abicte.com/info/27 Conjoined Twins Abby, and Brittany Hensel You may be interested in: "They have a common neuronal communication. If one of them close your eyes and the other show the subject, then the first able to describe the subject" The girls joined at the heads of. Krista and Tatiana Hogan. History, life, family. Video and photo. http://abicte.com/info/31 ----------------------------------------------------------------------- Abby, and Brittany Hensel March 7, 1990 at the American Patty Hensel with cesarean section were born two daughters. Once children have seen obstetricians in the delivery room a few minutes reigned silence ... Doctors call such a defect in development "dit...
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SUBSCRIBE to the Barcroft network: http://bit.ly/Oc61Hj CONJOINED twins Pin and Pan’s bond is so strong that they don’t want to be separated - even if it proved medically possible. The seven-year-old sisters, from Thailand, were born with their own heads, torsos, and arms but are connected at the waist. The duo share a pair of legs, with Pin having control of one and Pan controlling the other, and have learned to walk, dress, eat - and even ride a tricycle - as one. The twins live in Nakhon Sawan, around 250km north of Bangkok, with their grandparents - who describe them as “normal, happy" children. Videographer / director: Dario Pignatelli Producer: Tom Midlane, Nick Johnson Editor: Joshua Douglas Barcroft TV: https://www.youtube.com/user/barcroftmedia/featured Barcroft Cars: https://w...
This episode contains a rare look at Abby and Brittany Hensel, dicephalus conjoined twins, having two heads and sharing one body. Abby: We wanted to make . This episode contains a rare look at Abby and Brittany Hensel, dicephalus conjoined twins, having two heads and sharing one body. Abby: We wanted to make . Although they are two completely separate people, these accomplished teens share a body and have just two arms and legs between them. Born in 1990, the . The CBC TV documentary reveals a year in the life of the astonishing Hogan sisters -- the only known twins who doctors suspect can see what the other sees, .
In 2003 the world held its breath as two remarkable twins, conjoined at the head since birth, went through a pioneering surgical separation. Ladan and Laleh Bijani didn't survive the procedure, but Dying to Be Apart talks exclusively to the key players in the remarkable drama that ended in their tragic deaths. Want to watch more full-length Documentaries? Click here: http://bit.ly/1GOzpIu Follow us on Twitter for more - https://twitter.com/Real_Stories_ Produced by ITN. Content licensed from Digital Rights Group (DRG). Any queries, please contact us at: realstories@littledotstudios.com
The CBC TV documentary reveals a year in the life of the astonishing Hogan sisters -- the only known twins who doctors suspect can see what the other sees, and feel what the other feels. Their family believes they can also taste what the other tastes. As craniopagus twins, 7 year old Tatiana and Krista are the only people in the world known to share a neural bridge between their thalamus - a part of the brain involved in the regulation of consciousness along with sensory and motor signals. http://www.cbc.ca/doczone/episodes/twin-life-sharing-mind-and-body
Hey guys! In this video we show you our conjoined twin morning routine. Hope you can have a laugh like we did. I imagine this is what a day in the life for a conjoined twin would look like. Being a conjoined twin definitely has its challenges. Please LIKE! ♥Join the Nina and Randa squad & SUBSCRIBE HERE: http://bit.ly/2fGaeoW♥ ❤ ☀ °‧°‧☆ ☾ S U B S C R I B E☽ ☆‧°‧°☀ ❤ https://www.youtube.com/subscription_center?add_user=ninaandranda ❤ ☀ °‧°‧☆ ☾ Conjoined Twin Night Routine☽ ☆‧°‧°☀ ❤ https://www.youtube.com/watch?v=4UNaoOBbRFA&index;=6&list;=PLLU5640lbJbuXSUNMyVGXccvmqI-zyhON ❤ ☀ °‧°‧☆ ☾ Twin Yoga Challenge☽ ☆‧°‧°☀ ❤ https://www.youtube.com/watch?v=cWAV3bzRcNs&list;=PLLU5640lbJbvW-QlcHDc9SkSy4h-X_GJW&index;=9 ❤ ☀ °‧°‧☆ ☾Baby Food Challenge ☽ ☆‧°‧°☀ ❤ https://www.youtube.com/watch?v=kbFN9...
►►Help Us Reach 200k Subscribers! - http://bit.ly/listz10 From conjoined twins that were the main attraction in a circus to others that lived their lives to the fullest for 71 years, we take a look at the 10 Longest Living Conjoined Twins! ►Help Us Reach 100k Subscribers! - http://bit.ly/listz10 ►Like us on Facebook: https://www.facebook.com/xlist10 ►Follow us on Twitter: https://www.twitter.com/listz10 ►Check Out our New Snapchat for behind the scenes and Real Time Updates: http://bit.ly/SnapList10 ►Drop us a like and share the video with friends. ►Most Recent Video Click Here - https://goo.gl/CMv5cJ ►Most Popular Upload Click Here - https://goo.gl/M2El0e ►Subscribe Here - https://goo.gl/lMqQXi Legality Agreement Background video source – BigStock Background music – YouTube Audio...
Subscribe here: http://bit.ly/1m6su5O These incredible footage shows Siamese twin sisters from Indonesia walking in tandem like a 'spider' to fetch their toys. Dwi Ningsih and Anugrah from Garut regency in West Java in Indonesia were born joined at the waist. The four-year-old sisters have fully formed pair of arms but only two legs and one deformed leg dangling down their waist. While doctors have ruled out any possibility of a surgery to separate the twins as they share one heart, the adorable toddlers are defying all odds and growing up fast, learning the tricks to live happily. **Please contact video@catersnews.com to licence this content** Company Information: Caters Clips is owned and operated by Caters News Agency Ltd, an international multimedia content pro...
ANIMALS Siamese twins JOIN QUIZGROUP PARTNER PROGRAM: http://join.quizgroup.com/?ref=52698
Source : http://www.coverasiapress.com The Siamese twins who shared a FACE: pictures show babies born with just one head between them These tragic images show Siamese twins who were born sharing a face in India. The babies, who each had their own heart, arms and legs were born weighing 2lbs 6oz at a hospital in Rajkot, Gujarat, eastern India. But doctors confirmed they only lived for six minutes following their birth at Pandit Deendayal Upadhyay Government Medical College on Friday. Despite knowing the were conjoined, medics were astonished by their appearance when they delivered the babies by a Caesarean section. These tragic images show Siamese twins who were born sharing a face in India. The babies, who each had their own heart, arms and legs were born weighing 2lbs 6oz at a hospital...
I chose an eternity of this
Like falling angels
The world disappeared
Laughing into the fire
Is it always like this?
Flesh and blood and the first kiss
The first colours
The first kiss
We writhed under a red light
Voodoo smile
Siamese twins
A girl at the window looks at me for an hour
Then everything falls apart
Broken inside me
It falls apart
The walls and the ceiling move in time
Push a blade into my hands
Slowly up the stairs
And into the room
Is it always like this?
Dancing in my pocket
Worms eat my skin
She glows and grows
With arms outstretched
Her legs around me...
In the morning I cried
Leave me to die
You won't remember my voice
I walked away and grew old
You never talk
We never smile
I scream
You're nothing
I don't need you any more
You're nothing
It fades and spins
Fades and spins...
Sing out loud
We all die!
Laughing into the fire...