Everything You Need To Know About The Vanishing Twin Syndrome

By Harold Rogers


When a woman is expectant with twins and a miscarriage of one multiple happens, the fetal tissue disappears into the uterus. It is absorbed by the remaining twin, the mother and the placenta. In short, it appears as though the multiple just vanished. There are important facts you should know about the vanishing twin syndrome.

In the past, it was only possible to find out about the concern after delivery. Practitioners would discover that a twin vanished after examining the state of the placenta. A lot of advancements have taken place within the world of medicines and ultrasounds make it possible to detect multiple fetuses during the first trimester. In case an ultrasound scheduled later during the pregnancy only shows one fetus, then the other one disappeared.

For example, an ultrasound taken 6-7 weeks after conception would generate images that confirm you are expectant with twins. During a clinical checkup, your doctor may find out that there is one heartbeat and not two. This would show that you miscarried one of your twins and you only have one living baby in your uterus.

Research has revealed that this issue affects over 30% of multifetal pregnancies. The root cause of this problem is unknown, though it is clear that the multiple dies because of issues affecting early development and not other sudden concerns. Studies of placenta and fetal tissue after delivery will in most cases show either chromosomal abnormalities affected the vanishing fetus or improper cord implantation. These concerns are often not seen in the remaining child.

There are no signs or symptoms allied with a miscarriage if it happens within the first trimester. Both the mother and the surviving twin will remain excellent in health and in fact the prognosis of the remaining multiple is often excellent, depending on what caused the other twins death. Unfortunately, the survival of the other twin may be in jeopardy if a miscarriage happens during the second or third trimester. This can increase the risk of cerebral palsy.

If the miscarriage takes place following the embryonic period of gestation, water from the tissue of the deceased fetus, its amniotic fluid and placenta tissue could be reabsorbed. The live fetus will, however, exert pressure onto the body of the deceased one and flatten it. When delivering the child, the fetus that did not survive may come out as either fetus papyraceous or fetus compressus.

Research has revealed that this syndrome is more prevalent among women who are over 30 years of age. Among the symptoms they may experience during the first trimester include uterine cramps, pelvic pain and bleeding. There is no special care that is necessary if no complications arise following a miscarriage during the first trimester.

Visiting an OBGYN right after discovering that you are pregnant should not be underestimated. This will allow the practitioner to review your health and that of your growing baby until you deliver. If you are expectant with multiples and one of them dies during the third or second trimester, special care will be needed and this will be considered a high-risk pregnancy.




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