Twin - Wikipedia, the free encyclopedia
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Twins are two offspring resulting from the same pregnancy, usually born in close succession. They can be the same or different sex. Twins can either be monozygotic (MZ, colloquially "identical") or d...
en.wikipedia.org/wiki/Twin
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2005-11-02-10 MRI, conjoined twins © Werner www.TheFetus.net ... Conjoined twins results from the division of the embryonic disc at least 13 days after fertilization. They must always be monozygotic, monochorionic and monoamniotic. The exact incidence of conjoined twins is not known, but estimates have varied from 0.0125-0...
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www.thefetus.net/page.php?id=1598
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Conjoined twins often capture the public's attention when the usually risky separation surgery takes place. Parents and caregivers must consider the benefits and risks to one or both of the babies, and make some very heart-rending, ethically challenging decisions. ... Another 19% of conjoined twins are Pygopagus,
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www.bellaonline.com/articles/art11019.asp
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As far as I know, there is no hereditary basis for conjoined twins, so please do not let this concern spoil your plans. Conjoined twins happen about once in every 50,000 births. We do not know the cause, but some experts suspect that there ...
http://www.babyworld.co.uk/individualfaq.asp?Section=&q...
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A 22-year-old woman G2P0010 was referred for ultrasound evaluation at 22 weeks gestation for suspected conjoined twins. The patient was not exposed to any medications or any possible teratogenic exposures, and her personal and family history were unremarkable.
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www.thefetus.net/page.php?id=315
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Home > Diseases > Congenital, Hereditary, and Neonatal Diseases and Abnormalities > Abnormalities > Monsters > Twins, Conjoined Terms and Definitions...
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www.medicalglossary.org/monsters_twins_conjoined_defini...
www.medicalglossary.org/monsters_twins_conjoined_definitions.html
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Want to understand the connection between conjoined twins, also known as Siamese twins? Start here. Your Guide provides the answers to frequently asked questions about conjoined twinning, a rare and unique type of multiples. ... Conjoined Twins FAQ: Do Siamese Twins Occur More Frequently in Certain Groups?
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multiples.about.com/od/conjoinedtwinsfaq/f/conjoinedtwi...
multiples.about.com/od/conjoinedtwinsfaq/f/conjoinedtwin_i.htm
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What are conjoined twins? Conjoined twins occur when a single fertilised egg splits to form twins but the separation is incomplete. They are always identical, i.e. they have the same genetic code, and ... The birth of conjoined twins can be extremely traumatic, with around 40-60% delivered stillborn. Another 35% survive just...
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www.guardian.co.uk/society/2008/dec/03/q-a-conjoined-tw...
www.guardian.co.uk/society/2008/dec/03/q-a-conjoined-twins
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Monozygotic twins make up about one-third of all twin births. Conjoined twins occur when the [monozygotic embryo] begins to split too late. ... AG: They think fraternal twinning may be partly hereditary. Dizygotic twins occur most often in older women that have a family history of [twinning]. There’s also a theory that...
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www.loyno.edu/~dorn/GSinterviews/twins.htm
www.loyno.edu/~dorn/GSinterviews/twins.htm
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