Duration of the Development of Twin-Twin Transfusion Syndrome

Shunji Suzuki


Background: It is generally recommended that monochorionic diamniotic (MD) twin pregnancies be followed by ultrasound examination at least every 2 weeks in order to be able to promptly diagnose twin-twin transfusion syndrome (TTTS). In this study, we retrospectively investigated the clinical significance of TTTS developing at < 2 weeks (n = 9) and >=
2 weeks (n = 13).

Methods: We examined the following potential factors associated with TTTS development: discordance of the crown-rump length at 8 - 11 weeks, the gestational age at the last confirmation of concordant amniotic fluid (AF), the gestational age at TTTS diagnosis, the estimated fetal weight discordance, and AF values<= 3 - 7 days before TTTS diagnosis.

Results: There were no significant differences in these variables between the two groups.

Conclusion: There were no significant differences in the clinical histories of TTTS developing at < 2 weeks >= 2 weeks in MD twin pregnancy.

J Clin Gynecol Obstet. 2014;3(3):93-96
doi: http://dx.doi.org/10.14740/jcgo270w


Twin-twin transfusion syndrome; Duration of development; Amniotic fluid discordance; Concordant amniotic fluid

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