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Infertility Support and Discussion
Reply to "Anyone else’s clinic not catch that they were having twins??"
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[quote=Anonymous]OP, you seem to be implying that your clinic was somehow incompetent. It’s actually not that difficult to miss a twin with a very early “In many cases, there is a good reason for the hidden twin. It happens more often because the babies are monochorionic, or contained in a single chorion (sac). This forces the two fetuses to be positioned so closely together that their shadowed position could not be detected in a quick scan.” “For example, if your first ultrasound is taken prior to eight weeks of gestation it may clearly reveal one distinct embryo. Yet, women who have had a second ultrasound later in the first trimester or even into the second trimester have been surprised. Their ultrasound clearly revealed two heads, four arms, and four legs. Another baby did not simply materialize along the way.” “Instead, the two-dimensional perspective of the first scan only caught a glimpse of one embryo. The other was shadowed—positioned directly behind the other—and not visible from the view of the ultrasound tool. It is a similar effect to what we see during an eclipse.” [/quote]
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