Double bleb sign
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A double bleb sign is a sonographic feature where there is visualisation of a gestational sac containing a yolk sac and amniotic sac giving an appearence of two small bubbles 2. The embryonic disc is located between the two bubbles. It is an important feature of an intrauterine pregnancy and thus distinguishes a pregnancy form a pseudogestational sac or decidual cast cyst. It should not be confused with the double decidual sac sign.
-<p>A <strong>double bleb sign</strong> is a sonographic feature where there is visualisation of a gestational sac containing a <a href="/articles/yolk-sac" title="yolk sac">yolk sac</a> and <a href="/articles/amniotic-sac" title="amniotic sac">amniotic sac </a>giving an appearence of two small bubbles <sup>2</sup>. The embryonic disc is located between the two bubbles. It is an important feature of an intrauterine pregnancy and thus distinguishes a pregnancy form a <a href="/articles/pseudo-gestational-sac" title="Pseudogestational sac">pseudogestational sac</a> or <a href="/articles/decidual-cast-cyst" title="decidual cast cyst">decidual cast cyst</a>. It should not be confused with the <a href="/articles/double-decidual-sac-sign-1" title="Double decidual sac sign">double decidual sac sign</a>. </p>- +<p>A <strong>double bleb sign</strong> is a sonographic feature where there is visualisation of a gestational sac containing a <a href="/articles/yolk-sac">yolk sac</a> and <a title="Amnion" href="/articles/amnion">amniotic sac</a> giving an appearence of two small bubbles <sup>2</sup>. The embryonic disc is located between the two bubbles. It is an important feature of an intrauterine pregnancy and thus distinguishes a pregnancy form a <a href="/articles/pseudogestational-sac-1">pseudogestational sac</a> or <a href="/articles/decidual-cast-cyst">decidual cast cyst</a>. It should not be confused with the <a href="/articles/double-decidual-sac-sign-1">double decidual sac sign</a>.</p>
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