Screening for preterm birth in twin pregnancies

Amanda Roman, Alexandra Ramirez, Nathan S. Fox

Research output: Contribution to journalReview articlepeer-review

4 Scopus citations

Abstract

Twins represent 3.2% of all live births. However, they account for 20% of all preterm deliveries, with 60% delivered before 37 weeks and 10.7% before 32 weeks of gestation. Twin pregnancies have a 5 times higher risk of early neonatal and infant death related to prematurity. Monochorionic twins have a higher incidence of both indicated and spontaneous preterm delivery than dichorionic twins. Additional risk factors include a history of preterm delivery and cervical surgery. The transvaginal cervical length before 24 weeks is the best factor to predict preterm birth, independent of other risk factors.

Original languageEnglish
Article number100531
JournalAmerican Journal of Obstetrics and Gynecology MFM
Volume4
Issue number2
DOIs
StatePublished - Mar 2022

Keywords

  • preterm birth
  • transvaginal cervical length
  • twin pregnancy

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