Here is some background information on connected twins.
Connected twins are physically connected at a certain point in their body.
Affiliated twins once every 200,000 live births, according to the University of Maryland Medical Center once.
About 70% of connected twins are female.
Connected twins are identical – they have the same gender.
The shape of the connected twins refers to the point where the twins are connected. The first five, starting with the most common: Thoracopagus (heart, liver, intestine), Omphalopagus (liver, biliary tract, intestine), Pygopagus (spine, rectum, urogenital tract), ischiopagus (pelvis, liver, intestine, genitourinary tract) and Craniopagus (brain , Meningen). (Mayo Clinic)
Scientists believe that compound twins develop from a single fertilized egg that does not completely separate on separation.
The term "Siamese twins" comes from Eng and Chang Bunker, a group of composite twins who were born in 1811 in Siam (now Thailand). They were 63 years old and appeared in traveling exhibitions. Chang and Eng married and fathered a total of 21 children.
In 1955, the neurosurgeon Dr. Harold Voris of Mercy Hospital in Chicago performed the first successful procedure in which connected twins were separated at the top.
Lea and Tabea Block
Born on August 9, 2003 in Lemgo, Germany, by Peter and Nelly Block. They are joined together at the top.
September 16, 2004 – The girls are separated. Tabea dies shortly afterwards.
Jade and Erin Buckles
Born on February 26, 2004, by Melissa and Kevin Buckles at the National Naval Medical Center in Bethesda, Maryland. They share a liver.
June 19, 2004 – They are successfully separated.
Tatiana and Anastasia Dogaru
Born on January 13, 2004 in Rome with the Romanian parents Claudia and Alin Dogaru. They are connected at the head.
June 7, 2007 – Planned surgery to separate the girls is stopped after doctors have noticed brain swelling in one of the girls.
August 2007 – Doctors at the Cleveland University Hospital's Rainbow Babies & Children's Hospital announce that they will not separate the girls as the surgery is too risky.
Abbigail and Isabelle Carlsen
Born on November 29, 2005 in Fargo, North Dakota, with Amy and Jesse Carlsen. They are connected to the stomach and chest.
May 12, 2006 – A team of 30 people, including 18 surgeons from various Mayo Clinic departments in Rochester, Minnesota, are successfully performing a girl-severing operation.
Regina and Renata Salinas Fierros
Born on August 2, 2005 in Los Angeles with Sonia Fierros and Federico Salinas. They were juxtaposed and connected from the lower chest to the pelvis. They are fused together in various places, including the liver and genitals, and they share a large intestine. Regina is born with a kidney.
June 14, 2006 – The twins are separated during a one-day operation at the Children's Hospital in Los Angeles.
Abygail and Madysen Fitterer
Born on 8 August 2006 by Stacy and Suzy Fitterer from Bismarck, North Dakota. They are born on the stomach and share a liver.
January 3, 2007 – Separated in an operation at the Mayo Clinic.
Preslee Faith and Kylee Hope Wells
Born on October 25, 2008 in Oklahoma City with Stevie Stewart and Kylie Wells. They are attached to the chest and are considered the first interconnected twins of the Native Americans.
January 19, 2009 – Separated at the Children's Hospital of the OU Medical Center in Oklahoma City. Both survive, but are listed in a critical condition after surgery.
February 19, 2011- Preslee Faith Wells dies at the Children's Center in Bethany, Oklahoma.
Arthur and Heitor Rocha Brandao
Born in April 2009 in Bahia (Brazil) with Eliane and Delson Rocha. They are connected at the hip and divide the bladder, intestine, liver and genitals. The twins have only three legs between them.
February 24, 2015 – The five-year-old twins are subjected to a 15-hour separation operation after months of preparation. Arthur dies three days later after suffering a cardiac arrest.
Angelica and Angelina Sabuco
Born in August 2009 in the Philippines to Fidel and Ginady Sabuco. They are connected to the chest and abdomen.
November 1, 2011 – Will be successfully separated after a 10-hour operation at the Lucile Packard Children's Hospital in San Jose, California.
Hassan and Hussein Benhaffaf
Born on December 2, 2009 in London with Angie and Azzedine Benhaffaf from East Cork, Ireland. They are attached to the chest, but do not share important organs.
April 8, 2010 – At Great Ormond Street Hospital, a 14-hour separation operation is performed. Both survive.
Maria and Teresa Tapia
Born on April 8, 2010 in the Dominican Republic with Lisandra Sanatis and Marino Tapia. They are connected to the lower chest and abdomen and share a liver, pancreatic glands and part of their small intestine.
November 8, 2011 – Are successfully separated after a 20-hour procedure.
Joshua and Jacob spates
Born on January 24, 2011 in Memphis, Tennessee, with Adrienne Spates. They are connected back to back at the pelvis and lower back, with separate hearts, heads and limbs.
August 29, 2011 – Are successfully separated after a 13-hour operation.
October 2013 – Jacob Spates dies. The cause of death is not released.
Rital and Ritag Gaboura
Born on September 22, 2010 in Khartoum, Sudan, Abdelmajeed and Enas Gaboura. They are joined together at the top.
August 15, 2011 – Are successfully separated after a four-stage operation. Two operations took place in May, one in July and the last in August.
Allison June and Amelia Lee Tucker
Born on March 1, 2012 by Shellie and Greg Tucker. They are attached to the lower chest and abdomen and share the chest wall, diaphragm, pericardium and liver.
November 7, 2012 – Successfully separated after seven hours of surgery at Children's Hospital in Philadelphia.
A & # 39; zhari and A & # 39; zhiah Lawrence
Born on October 10, 2012 in Virginia with Nachell Jones and Carlos Lawrence. They are connected from the chest to the abdomen and have a connected liver.
October 25, 2012 – Emergency surgery is performed to separate the liver.
April 22, 2013 – Are successfully separated after 14 hours of surgery.
October 14, 2013 – Azhari dies.
Emmett and Owen Ezell
Born on July 15, 2013 in Dallas with Jenni and Dave Ezell. They are connected to the liver and intestine.
August 24, 2013 – Are successfully separated.
Knatalye Hope and Adeline Faith Mata
Born on April 11, 2014 in Houston with Elysse and John Matta. They are connected to each other at the breast and share the liver, heart food, diaphragm, intestine and colon.
February 17, 2015 – A team of 12 surgeons separates the sisters during a 26-hour procedure.
Erika and Eva Sandoval
Born on August 10, 2014 in California with Aida and Arturo Sandoval. They are connected to the lower chest and upper abdomen and share liver, bladder, two kidneys and three legs.
6th to 7th December 2016 – Are successfully separated after 17 hours of surgery at the Lucile Packard Children's Hospital Stanford, California.
Acen and Apio Akello
Born on September 23, 2014 in Uganda with Ester Akello. They are connected at the hip and the pelvis.
September 3, 2015 – After more than 30 specialists in separating the girls' spinal cord, the 16-hour operation at the Nationwide Children's Hospital in Ohio has been successful. Specialists used 3D printing to create anatomies similar to the girls preparing for the operation.
Carter and Conner Mirabal
Born December 12, 2014 in Jacksonville, Florida, with Michelle Brantley and Bryan Mirabal. They are connected to the sternum and abdomen and share a liver and part of their small intestine.
May 7, 2015 – Successfully separated after 12 hours of surgery at the Wolfson Children's Hospital in Florida.
Scarlett and Ximena Torres
Born May 16, 2015 in Corpus Christi, Texas, with Silvia Hernandez and Raul Torres. Scarlett and Ximena are connected below the waist and share a colon and a bladder.
April 12, 2016 – Scarlett and Ximena are separated during a 12-hour operation at the Driscoll Children's Hospital in Texas.
Anias and Jadon McDonald
Born on September 9, 2015 in Chicago with Nicole and Christian McDonald. They are joined together at the top.
13th to 14th October 2016 – Anias and Jadon are successfully separated after 27 hours of surgery at the Children's Hospital of Montefiore Medical Center, New York.
November 8, 2016 – The lead surgeon tells CNN that the twins are recovering "on target if not ahead of schedule".
Dawa and Nima Pelden
Born on July 13, 2017 in Bhutan at Bhumchu Zangmo. They are connected to the belly.
October 10, 2018 – The operation is being postponed to give additional support to the girls.
November 9, 2018 – Dawa and Nima are successfully separated after a six-hour operation at the Melbourne Royal Children's Hospital in Australia.