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Archive for the ‘twin to twin transfusion syndrome’ Category

TTTS a disease of the placenta and as soon as you know you are pregnant with multiples, you need to try and find out if the babies (or any of the babies) have transfusion TTTS.  It only occurs with monozygotic (identical) babies, and can happen within a higher order set (triplets, quads, quints) as well if there are monozygotic babies.  In simple terms, it is a situation where one of the babies receives most of the available maternal nutrition and the other one receives almost none becasue their veins and arteries have, due to the circumstances of their formation, intertwined.  Nutrition goes too quickly through one baby, the doner, and the other baby, the recipient, receives too much nutrition and is unable to adequately get rid of the excess about of food and liquid, so it pools within his or her body.  Both babies suffer organ stress for different reasons, one because there is not enough nutrition and the other because there is too much.  TTTS becomes an issue for both babies by about week 20 of gestation.  Some pregnancies can be helped by lasering some of the veins and arteries the babies share thereby giving each baby a better chance at growth and development.  It can be expected that if a pregnancy has TTTS babies they will be born early, i.e. before 38 weeks.  The doner will be pale and wrinkled at birth and the recipient will be larger and redder.  TTTS has a spectrum of severity from mild to severe and the babies, one or both, can be negatively affected.  It is important to diagnose as soon as possible after you know you are pregnant with multiples.

For more detailed information on TTTS, you can go to page http://jumelle.ca/prenatal-education/twin-to-twin-transfusion-syndrome/ on my Web Site.  Many multiple-birth pregnancy books address TTTS and Googling TTTS will also provide many sites to get further information.

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