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Topic: Vanishing twin

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	VT Technical Articles
		A Hypothesis for the Aetiology of Spastic Cerebral Palsy -- The Vanishing Twin
		In monochorionic twin pregnancies, death of one twin late in gestation is recognised as being an important risk factor for the surviving cotwin to have CP.
		The phenomenon of the vanishing twin is not widely recognized as a cause of first-trimester bleeding.
	www.vanishingtwin.com /art01.html (1634 words)

	eMedicine - Vanishing Twin Syndrome : Article Excerpt by: Ann L Anderson-Berry, MD
		In vanishing twin syndrome, there may be complete reabsorption of a fetus, formation of a fetus papyraceus (ie, a "mummified" or compressed fetus), or development of a subtle abnormality on the placenta such as a cyst, subchorionic fibrin, or amorphous material.
		Vanishing twin syndrome occurs in 21-30% of multifetal gestation.
		Researchers hypothesize that, in twins connected through vascular connection by placental anastomoses, temporary hypotension in the surviving twin at the time of fetal demise of the vanishing twin leads to poor perfusion and skin necrosis.
	www.emedicine.com /med/byname/vanishing-twin-syndrome.htm (536 words)

	Vanishing twin - Wikipedia, the free encyclopedia
		A vanishing twin, also called twin embolisation syndrome, is the term for a fetus in a multi-gestation pregnancy which dies in utero and is then partially or completely reabsorbed by the mother.
		According to some researchers, vanishing twins occur in up to one out of every eight pregnancies and may not even be known in most cases.
		A wombtwin is a term used since 2003 to describe an embryo or fetus that was a member of a twin pair or triplet set and which died in the womb.
	en.wikipedia.org /wiki/Vanishing_twin (535 words)

	Wikinfo \| Twin (Site not responding. Last check: 2007-11-02)
		The term twin most notably refers to two individuals (or one of two individuals) who have shared the same uterus (womb) and are usually, but not necessarily, born on the same day.
		Fraternal twins (commonly known as "non-identical twins") occur when two fertilized eggs are implanted in the uterine wall at about the same time, within the same menstrual cycle, or in rare cases within one menstrual cycle of each other.
		Twins that have been separated early in life and raised in separate households are the most sought-after for these studies.
	www.wikinfo.org /wiki.php?title=twin (1214 words)

	Twins Today: Articles: Vanishing Twin Syndrome
		Some women are diagnosed with twins early in their pregnancy only to find that one of the babies has vanished in a subsequent ultrasound.
		Others are diagnosed with twins, then miscarry one of the fetuses at a very early stage while the other baby goes on to have a perfectly normal delivery.
		Atlas says vanishing twin syndrome is where there is a multifetal gestation and there is an arrest of development and subsequent reabsorption of one or more fetuses.
	twinstoday.com /articles/3968.php (903 words)

	Vanishing Twin Syndrome - Twins
		When vanishing twin syndrome occurs in the first trimester, there is little effect on the mother or the surviving fetus.
		However, when the twin vanishes in the second or third trimester, there is a higher likelihood of effect on the other fetus, such as a higher incidence of cerebral palsy, and a possibly a threat to the viability of the pregnancy in general.
		Most vanishing twins are reabsorbed into the placenta or be compressed by the pressure of the remaining fetus and its amniotic sac.
	www.bellaonline.com /articles/art2998.asp (534 words)

	Vanishing Twins
		Occasionally the remnants of a twin are found in the placenta or, more rarely, in a teratoma or dermoid tumor, which may contain hair, bone, teeth or other fetal tissue, and which may occur inside or outside the surviving twin or in the mother.
		Twins and higher-order multiples appear to have a higher risk incidence of neurological and cognitive problems than singletons, as well as a vast array of physical problems.
		I also have a cousin who is a "mirror" identical twin (her twin vanished), whose organs are on the opposite side of her body.
	www.rainbowsunlimited.com /VanishingTwins.htm (2166 words)

	TheFetus.net - The vanishing twin -Ralph L. Kramer, MD*, Luis A. Izquierdo, MD, George Gilson, MD, Luis Curet, MD
		When a twin dies after the embryonic period of gestation, the water within the twin"s tissues, the amniotic fluid, as well as the placental tissue may be resorbed.
		The dead twin is described as either a “fetus compressus” or “fetus papyraceus”, depending on the degree of flattening.
		It is their suggestion that the “finding of two layers of amnion-chorion enclosing an area of amorphous nonvillous material, surrounded by viable or degenerative chorionic villi adjacent to the normal amnion-chorion of the normal twin” serves as adequate histologic criteria for a vanished twin.
	www.thefetus.net /page.php?id=296 (1321 words)

	'Vanishing twin' in Howrah hospital
		Medically they are called the 'vanishing twin', a freak delivery in which one the twins appears to be painted on a transluscent leaf-like sheath.
		Unaware of the medical importance of the case, Amita and husband Pradyut Dutta, residents of Salkia in Howrah, are happy that at least one of the twins was a normal healthy baby.
		While the 'vanishing twin' has been preserved at the hospital for medical reference, the doctors are preparing a paper to report the rare case in a medical journal.
	in.rediff.com /news/2004/sep/14twin.htm (394 words)

	Answers: Vanishing Twin Syndrome
		I was told I was having twins at 10 weeks by an ultrasound, I keep hearing horror stories of people miscarrying or losing one and vanishing twins.
		The thing is I had vanishing twin sydrome and I gave birth to one baby and a sac full of tissue and blood at 37 weeks.
		Twins on my Mom's side usually one is born very sick only living a couple of hours or stillborn.
	www.multiplebirthsfamilies.com /articles/qa.asp?href=ber_q10 (8208 words)

	Twinning
		Twins with different fathers are thought to arise by this mechanism [2,3].
		Loss of a twin during the first trimester appears to be a relatively common occurrence [5-7] and is known as vanishing twin syndrome.
		It is believed that hereditary dizygotic twinning may be transmitted as a recessive trait [16] or as an autosomal dominant female-specific trait with limited expression [17].
	www.obfocus.com /high-risk/twins/twin1.htm (1033 words)

	eMedicine - Vanishing Twin Syndrome : Article by Ann L Anderson-Berry, MD
		A possible mechanism is the transfusion of thromboplastic proteins from the vanishing twin to the surviving twin, leading to disseminated intravascular coagulation (DIC).
		A viable fetus with normal chromosomes may be supported by the placenta of a vanished twin with abnormal chromosomes.
		Benirschke K: Intrauterine death of a twin: mechanisms, implications for surviving twin, and placental pathology.
	www.emedicine.com /med/topic3411.htm (1641 words)

	The Vanishing Twin Syndrome
		Control Issues: The surviving twin often has control issues and it may be based on the premise that since they couldn't control what happened in utero, they are doing everything in their power to do so now.
		Survivor's guilt: There is a lot of survivor's guilt for taking the nutrition from the vanishing twin, not being able to help prevent the death of the twin and viewing this resorption process in utero.
		Vanishing Twins are often in the Healing Field: Since they could not heal the situation in utero, they are intent on healing the world and saving others.
	www.naturalhealthtechniques.com /SpecificDiseases/vanishing_twin.htm (1497 words)

	UNTWINNED (Site not responding. Last check: 2007-11-02)
		Although for many years the loss of a twin at any age has been recognised as a real and profound bereavement, it has been suggested by many people, including surviving twins themselves, that the loss of a twin close to birth also leaves a deep impression of some kind on the survivor.
		the impact of the death of a twin on the parents of the twins, the wider family and society as a whole.
		Unlike cases of survivor guilt from accidents, the experience of twin loss (in utero) is not part of the conscious mind and therefore is unavailable for discussion, rationalization, and integration without assistance..
	www.altheahayton.com /untwinned.html (516 words)

	Where Do Vanishing Twins Go? - Health
		"Vanishing twin syndrome is a phenomenon that occurs much more commonly in pregnancy than we think," he said.
		Vanishing twin syndrome denotes a twin who disappeared sometime during the mother's pregnancy.
		Joines lost her twin early in her second trimester, but the surviving twin is thriving.
	www.thewbalchannel.com /health/8599859/detail.html (479 words)

	Vanishing Twin Syndrome - The Crucible Centre, Australia
		Twins naturally occur in one birth in seventy.
		Vanishing Twin Syndrome (VTS) occurs when one of a set of twin ftuses apparently disappears from the womb during pregnancy.
		In our clinical experience 25-30 percent of all clients have had a twin, though the traumas this leaves behind may have predisposed these people to join in therapy more than those who were not.
	www.cruciblecentre.com /vts.shtml (475 words)

	Welcome to the home of TwinTalk~South Africa!
		In one study, 325 twin pregnancies were identified very early by ultrasound exam and followed through the entire pregnancy.
		The study reported that 61 (18.8 percent) ended as twin births, 125 (38.5 percent) ended as singleton births, and 139 (42.8 percent) ended as a complete loss of the pregnancy.
		Generally, the vanishing twin fetus is absorbed back into the uterus or degenerates as pregnancy advances.
	myweb.absamail.co.za /jacqui_t/p23.html (1195 words)

	Vanishing Twin Syndrome
		In times past, a first ultrasound was performed much later in a pregnancy, say 16 to 20 weeks, well past when a woman would have known that she was initially carrying two or more embryos and therefore she would not have knowledge that she had been carrying more than one.
		While not all cases of vanishing twin are associated with bleeding, this may explain why some women experience some cramping, bleeding or passage of tissue early in their pregnancy, but nevertheless the pregnancy continues, is uncomplicated and culminates with the birth of a healthy child(ren).
		It is not uncommon for families with vanishing twin to experience feelings of sadness, grief and loss as they had anticipated and looked forward to a multiple birth.
	www.multiplebirthsfamilies.com /articles/ber_q10.html (968 words)

	What is a vanishing twin? - The Labor of Love Articles
		VTS occurs when one of a set of twins spontaneously disappears during pregnancy, and normally results in a single birth.
		While it may seem that there has been an increase in the amount of vanishing twins over the last few years the increase can be accounted for by the increase in medical technology actually detecting this phenomenon.
		In the past, if a Mother lost a twin, there may not have been any indication that she was having twins.
	www.thelaboroflove.com /articles/what-is-a-vanishing-twin (450 words)

	A case of doping or a 'vanishing twin'?
		Others researchers have found that in some cases, before the twin is absorbed, some of its cells enter the body of the other fetus and remain there for life.
		And he knew that stem cells turn off and on throughout life so that a stem cell from a twin, for example, might be producing red blood cells and then stop, making a tiny amount of foreign blood come and go at random.
		Not only was a vanishing twin or chimerism a real possibility, Housman decided, but he had real questions about whether the test was reliable enough to use to look for blood doping.
	www.iht.com /articles/2005/05/11/healthscience/sntwin.php (1330 words)

	Miscarriage explained, your health and understanding unsuccessful pregnancies
		Twins are seen early in the pregnancy and then not in later scans, one baby usually disappearing in the first trimester.
		For the families, there is grief also for the loss of the "twin experience' and researchers are only just beginning to acknowledge and understand that the twin that remains can also be affected.
		Twin and Multiple Birth Loss NZ (Inc.) have stories from other women who have experienced this syndrome if you would like to contact them at twinloss@xtra.co.nz or go to their website www.twinloss.org.nz
	www.miscarriagesupport.org.nz /twin_loss.html (292 words)

	Review: The Vanishing Point \| Twin Cities Daily Planet (Site not responding. Last check: 2007-11-02)
		I’m glad I did -- The Vanishing Point is a well-researched historical novel with complex characters and enough plot twists and surprises to keep readers guessing and second-guessing right up to the end.
		It could do with far fewer details about the main characters’ sexual escapades (unless, of course, you like that sort of thing -- I found it tedious and a needless distraction), but in other instances, the rich period detail truly gives the flavor of life in 17th-century Maryland, where most of the story is set.
		Mary Sharratt is in town this week and will be reading from The Vanishing Point while wearing a 17th-century-style outfit -- and she will raffle off a copy of the book to a member of the audience who also dresses in period costume.
	www.tcdailyplanet.net /node/1498 (828 words)

	Vanishing Twin Syndrome?? - TWINS Message Board
		The u/s tech told me I was having twins and showed me both sacs, one had a fetal pole and heartbeat the other just a sac.
		I have heard that most people don't even know they were pg with twins that one vanishes and the single baby does great.
		The doctor explained that fraternal twins can fertilize as much as 3-4 days apart and can be that far apart in their development and that when we looked the first time that baby probably just didn't have a heart beat yet.
	www.twinsmagazine.com /vbulletin/showthread.php?t=37890 (2834 words)

	Twin Bonding: An Unsolved Mystery
		It is probably not surprising to learn that most twins, especially those who are identical, enjoy close, loving relationships similar to that of my mother and her twin sister.
		In some instances, competition in utero can lead to a phenomenon known as "vanishing twin syndrome." This occurs when one twin acts as a parasite, stealing all of the placenta's nutrients from its sibling.
		That means that for every set of twins born alive, there are at least six singletons who become the lone survivor of a twin pregnancy (Wright 88).
	www.suite101.com /article.cfm/premature_babies/35029 (471 words)

	Vanishing twin? - TWINS Message Board
		I found out I was having twins at 8wks (around the same time).I couldn't even IMAGINE having one of my babies "vanish" until the doctor explained that it could, indeed, happen.
		Vanishing twin syndrome is most likely to occur during the 1st trimester than any other.
		My doc told me that they like to inform you of the possibility when you find out "so early" about the twins, because a lot of preg start out as twins but one just "vanishes" with no trace and by the time a woman has her first u/s there is only one baby.
	www.twinsmagazine.com /vbulletin/showthread.php?t=17404 (961 words)

	Eggs in some format: Vanishing twin
		It seems that 1 in 8 pregnancies starts off as twins, but only 1 in 70 leads to the birth of twins.
		Most often, one of the fetuses fails to develop properly in the first trimester and is absorbed by either it's twin, the placenta, or the mother.
		The twin was a fleshy ball with flipper-like appendages, no internal organs, an empty brain cavity, and a thick head of fl hair about a foot long.
	www.speakeasy.org /~cmowrer/blogs/eggs/2004/02/vanishing-twin.htm (152 words)

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